fortieths

This city is close to the fortieth parallel of north latitude.

Beijing is close to the fortieth parallel of north latitude.

tried to jump out of the fortieth-floor window in a moment of utter lunacy.

On my fortieth birthday I had reached a fork in the road, and I decided to give up working for somebody else and start my own business.

celebrating the fortieth year

the fortieth day of the year

the fortieth chapter of the book

the fortieth minute of the game

the fortieth place in line

the fortieth page of the document