Finding the Fourth Proportional to 281,617,757.20, 388,625,140.80 and 156,169,633.53
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Solution
The fourth proportional to 281,617,757.20, 388,625,140.80 and 156,169,633.53 is: 215,510,010.53
Step by Step Solution
- Step 1: Write the proportion equation
281,617,757.20 : 388,625,140.80 = 156,169,633.53 : x - Step 2: Convert to fraction form
281,617,757.20/388,625,140.80 = 156,169,633.53/x - Step 3: Cross multiply
281,617,757.20x = 388,625,140.80 × 156,169,633.53 - Step 4: Simplify right side
281,617,757.20x = 60,691,445,819,280,656 - Step 5: Solve for x
x = 60,691,445,819,280,656/281,617,757.20 - Step 6: Final answer
x = 215,510,010.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.