Finding the Fourth Proportional to 69,366,819.84, 95,723,251.20 and 38,428,293.12
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Solution
The fourth proportional to 69,366,819.84, 95,723,251.20 and 38,428,293.12 is: 53,029,404.61
Step by Step Solution
- Step 1: Write the proportion equation
69,366,819.84 : 95,723,251.20 = 38,428,293.12 : x - Step 2: Convert to fraction form
69,366,819.84/95,723,251.20 = 38,428,293.12/x - Step 3: Cross multiply
69,366,819.84x = 95,723,251.20 × 38,428,293.12 - Step 4: Simplify right side
69,366,819.84x = 3,678,481,155,512,991.50 - Step 5: Solve for x
x = 3,678,481,155,512,991.50/69,366,819.84 - Step 6: Final answer
x = 53,029,404.61
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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.