Finding the Fourth Proportional to 87,404,446.34, 120,618,117.65 and 48,246,212.75
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Solution
The fourth proportional to 87,404,446.34, 120,618,117.65 and 48,246,212.75 is: 66,579,763.50
Step by Step Solution
- Step 1: Write the proportion equation
87,404,446.34 : 120,618,117.65 = 48,246,212.75 : x - Step 2: Convert to fraction form
87,404,446.34/120,618,117.65 = 48,246,212.75/x - Step 3: Cross multiply
87,404,446.34x = 120,618,117.65 × 48,246,212.75 - Step 4: Simplify right side
87,404,446.34x = 5,819,367,366,068,591 - Step 5: Solve for x
x = 5,819,367,366,068,591/87,404,446.34 - Step 6: Final answer
x = 66,579,763.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.