Finding the Fourth Proportional to 45,647,471.22, 68,471,202.67 and 20,088,480.62
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Solution
The fourth proportional to 45,647,471.22, 68,471,202.67 and 20,088,480.62 is: 30,132,719.10
Step by Step Solution
- Step 1: Write the proportion equation
45,647,471.22 : 68,471,202.67 = 20,088,480.62 : x - Step 2: Convert to fraction form
45,647,471.22/68,471,202.67 = 20,088,480.62/x - Step 3: Cross multiply
45,647,471.22x = 68,471,202.67 × 20,088,480.62 - Step 4: Simplify right side
45,647,471.22x = 1,375,482,427,864,387.25 - Step 5: Solve for x
x = 1,375,482,427,864,387.25/45,647,471.22 - Step 6: Final answer
x = 30,132,719.10
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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.