Finding the Fourth Proportional to 88,728,531.80, 133,072,677.24 and 40,174,332.44
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Solution
The fourth proportional to 88,728,531.80, 133,072,677.24 and 40,174,332.44 is: 60,252,388.56
Step by Step Solution
- Step 1: Write the proportion equation
88,728,531.80 : 133,072,677.24 = 40,174,332.44 : x - Step 2: Convert to fraction form
88,728,531.80/133,072,677.24 = 40,174,332.44/x - Step 3: Cross multiply
88,728,531.80x = 133,072,677.24 × 40,174,332.44 - Step 4: Simplify right side
88,728,531.80x = 5,346,105,974,120,581 - Step 5: Solve for x
x = 5,346,105,974,120,581/88,728,531.80 - Step 6: Final answer
x = 60,252,388.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.