Finding the Fourth Proportional to 91,165,697.56, 136,664,747.79 and 32,859,107.92
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Solution
The fourth proportional to 91,165,697.56, 136,664,747.79 and 32,859,107.92 is: 49,258,458.13
Step by Step Solution
- Step 1: Write the proportion equation
91,165,697.56 : 136,664,747.79 = 32,859,107.92 : x - Step 2: Convert to fraction form
91,165,697.56/136,664,747.79 = 32,859,107.92/x - Step 3: Cross multiply
91,165,697.56x = 136,664,747.79 × 32,859,107.92 - Step 4: Simplify right side
91,165,697.56x = 4,490,681,696,491,191.50 - Step 5: Solve for x
x = 4,490,681,696,491,191.50/91,165,697.56 - Step 6: Final answer
x = 49,258,458.13
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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.