Finding the Fourth Proportional to 88,578,763.70, 132,868,145.55 and 85,177,541.30
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Solution
The fourth proportional to 88,578,763.70, 132,868,145.55 and 85,177,541.30 is: 127,766,311.95
Step by Step Solution
- Step 1: Write the proportion equation
88,578,763.70 : 132,868,145.55 = 85,177,541.30 : x - Step 2: Convert to fraction form
88,578,763.70/132,868,145.55 = 85,177,541.30/x - Step 3: Cross multiply
88,578,763.70x = 132,868,145.55 × 85,177,541.30 - Step 4: Simplify right side
88,578,763.70x = 11,317,381,955,039,536 - Step 5: Solve for x
x = 11,317,381,955,039,536/88,578,763.70 - Step 6: Final answer
x = 127,766,311.95
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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.