Finding the Fourth Proportional to 88,579,270.40, 132,868,905.60 and 74,218,553.60
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Solution
The fourth proportional to 88,579,270.40, 132,868,905.60 and 74,218,553.60 is: 111,327,830.40
Step by Step Solution
- Step 1: Write the proportion equation
88,579,270.40 : 132,868,905.60 = 74,218,553.60 : x - Step 2: Convert to fraction form
88,579,270.40/132,868,905.60 = 74,218,553.60/x - Step 3: Cross multiply
88,579,270.40x = 132,868,905.60 × 74,218,553.60 - Step 4: Simplify right side
88,579,270.40x = 9,861,337,992,046,938 - Step 5: Solve for x
x = 9,861,337,992,046,938/88,579,270.40 - Step 6: Final answer
x = 111,327,830.40
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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.