Question

Four numbers are in propotion . if 20g , 200g and 60 g are three out of them . find the fourth number

Answer 1

Answer:

600

20/200 60/x

200*60/20

600/1=600

Answer 2

Answer:

the forth one is 120g.

Step-by-step explanation:

20 +40=60

60+60=120

120+80=200

so the continuous number is 40,60,80...