Home / 84,745,105.20-127,117,657.80-65,613,229.20

Finding the Fourth Proportional to 84,745,105.20, 127,117,657.80 and 65,613,229.20

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Solution

The fourth proportional to 84,745,105.20, 127,117,657.80 and 65,613,229.20 is: 98,419,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,745,105.20 : 127,117,657.80 = 65,613,229.20 : x
  2. Step 2: Convert to fraction form
    84,745,105.20/127,117,657.80 = 65,613,229.20/x
  3. Step 3: Cross multiply
    84,745,105.20x = 127,117,657.80 × 65,613,229.20
  4. Step 4: Simplify right side
    84,745,105.20x = 8,340,600,016,598,568
  5. Step 5: Solve for x
    x = 8,340,600,016,598,568/84,745,105.20
  6. Step 6: Final answer
    x = 98,419,843.80

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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.