Home / 98,951,943.28-148,469,082.10-43,591,445.21

Finding the Fourth Proportional to 98,951,943.28, 148,469,082.10 and 43,591,445.21

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Solution

The fourth proportional to 98,951,943.28, 148,469,082.10 and 43,591,445.21 is: 65,405,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,951,943.28 : 148,469,082.10 = 43,591,445.21 : x
  2. Step 2: Convert to fraction form
    98,951,943.28/148,469,082.10 = 43,591,445.21/x
  3. Step 3: Cross multiply
    98,951,943.28x = 148,469,082.10 × 43,591,445.21
  4. Step 4: Simplify right side
    98,951,943.28x = 6,471,981,856,998,796
  5. Step 5: Solve for x
    x = 6,471,981,856,998,796/98,951,943.28
  6. Step 6: Final answer
    x = 65,405,303.25

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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.