Finding the Fourth Proportional to 45,647,470.22, 68,471,201.17 and 20,088,479.62
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Solution
The fourth proportional to 45,647,470.22, 68,471,201.17 and 20,088,479.62 is: 30,132,717.60
Step by Step Solution
- Step 1: Write the proportion equation
45,647,470.22 : 68,471,201.17 = 20,088,479.62 : x - Step 2: Convert to fraction form
45,647,470.22/68,471,201.17 = 20,088,479.62/x - Step 3: Cross multiply
45,647,470.22x = 68,471,201.17 × 20,088,479.62 - Step 4: Simplify right side
45,647,470.22x = 1,375,482,329,371,164.75 - Step 5: Solve for x
x = 1,375,482,329,371,164.75/45,647,470.22 - Step 6: Final answer
x = 30,132,717.60
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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.