Home / 80,587,531.28-111,207,548.76-43,917,314.96

Finding the Fourth Proportional to 80,587,531.28, 111,207,548.76 and 43,917,314.96

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Solution

The fourth proportional to 80,587,531.28, 111,207,548.76 and 43,917,314.96 is: 60,604,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,587,531.28 : 111,207,548.76 = 43,917,314.96 : x
  2. Step 2: Convert to fraction form
    80,587,531.28/111,207,548.76 = 43,917,314.96/x
  3. Step 3: Cross multiply
    80,587,531.28x = 111,207,548.76 × 43,917,314.96
  4. Step 4: Simplify right side
    80,587,531.28x = 4,883,936,944,822,478
  5. Step 5: Solve for x
    x = 4,883,936,944,822,478/80,587,531.28
  6. Step 6: Final answer
    x = 60,604,126.56

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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.