Finding the Fourth Proportional to 65,681,229.60, 98,512,513.20 and 20,247,616.80
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Solution
The fourth proportional to 65,681,229.60, 98,512,513.20 and 20,247,616.80 is: 30,368,548.66
Step by Step Solution
- Step 1: Write the proportion equation
65,681,229.60 : 98,512,513.20 = 20,247,616.80 : x - Step 2: Convert to fraction form
65,681,229.60/98,512,513.20 = 20,247,616.80/x - Step 3: Cross multiply
65,681,229.60x = 98,512,513.20 × 20,247,616.80 - Step 4: Simplify right side
65,681,229.60x = 1,994,643,617,278,542 - Step 5: Solve for x
x = 1,994,643,617,278,542/65,681,229.60 - Step 6: Final answer
x = 30,368,548.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.