Kamala Harris finally lives her dream and winds up becoming the President of the United States. She decides that the US will be better off if there were more women, so she signs an executive order:
Henceforth, all child bearing couples will be required to keep having children until they have a girl. To prevent overpopulation, once they do have a girl, they must stop having children.
Here is the riddle: After 20 years of this policy, what will be the ratio of boys to girls under the age of 18 in America?