Finding the Fourth Proportional to 88,129,752.40, 132,194,628.60 and 27,545,381.20
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Solution
The fourth proportional to 88,129,752.40, 132,194,628.60 and 27,545,381.20 is: 41,318,071.80
Step by Step Solution
- Step 1: Write the proportion equation
88,129,752.40 : 132,194,628.60 = 27,545,381.20 : x - Step 2: Convert to fraction form
88,129,752.40/132,194,628.60 = 27,545,381.20/x - Step 3: Cross multiply
88,129,752.40x = 132,194,628.60 × 27,545,381.20 - Step 4: Simplify right side
88,129,752.40x = 3,641,351,437,379,422 - Step 5: Solve for x
x = 3,641,351,437,379,422/88,129,752.40 - Step 6: Final answer
x = 41,318,071.80
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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.