Finding the Fourth Proportional to 281,431,452.26, 422,145,052.86 and 84,694,018.49
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Solution
The fourth proportional to 281,431,452.26, 422,145,052.86 and 84,694,018.49 is: 127,040,388.08
Step by Step Solution
- Step 1: Write the proportion equation
281,431,452.26 : 422,145,052.86 = 84,694,018.49 : x - Step 2: Convert to fraction form
281,431,452.26/422,145,052.86 = 84,694,018.49/x - Step 3: Cross multiply
281,431,452.26x = 422,145,052.86 × 84,694,018.49 - Step 4: Simplify right side
281,431,452.26x = 35,753,160,913,442,236 - Step 5: Solve for x
x = 35,753,160,913,442,236/281,431,452.26 - Step 6: Final answer
x = 127,040,388.08
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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.