Finding the Fourth Proportional to 54,891,387.18, 82,233,153.09 and 36,640,550.70
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Solution
The fourth proportional to 54,891,387.18, 82,233,153.09 and 36,640,550.70 is: 54,891,453.28
Step by Step Solution
- Step 1: Write the proportion equation
54,891,387.18 : 82,233,153.09 = 36,640,550.70 : x - Step 2: Convert to fraction form
54,891,387.18/82,233,153.09 = 36,640,550.70/x - Step 3: Cross multiply
54,891,387.18x = 82,233,153.09 × 36,640,550.70 - Step 4: Simplify right side
54,891,387.18x = 3,013,068,015,015,007 - Step 5: Solve for x
x = 3,013,068,015,015,007/54,891,387.18 - Step 6: Final answer
x = 54,891,453.28
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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.