Finding the Fourth Proportional to 208,577,037.04, 287,836,626.40 and 113,207,579.98
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Solution
The fourth proportional to 208,577,037.04, 287,836,626.40 and 113,207,579.98 is: 156,226,631.50
Step by Step Solution
- Step 1: Write the proportion equation
208,577,037.04 : 287,836,626.40 = 113,207,579.98 : x - Step 2: Convert to fraction form
208,577,037.04/287,836,626.40 = 113,207,579.98/x - Step 3: Cross multiply
208,577,037.04x = 287,836,626.40 × 113,207,579.98 - Step 4: Simplify right side
208,577,037.04x = 32,585,287,904,351,376 - Step 5: Solve for x
x = 32,585,287,904,351,376/208,577,037.04 - Step 6: Final answer
x = 156,226,631.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.