Home / 144,581,575.30-217,040,324.55-87,138,708.10

Finding the Fourth Proportional to 144,581,575.30, 217,040,324.55 and 87,138,708.10

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Solution

The fourth proportional to 144,581,575.30, 217,040,324.55 and 87,138,708.10 is: 130,809,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581,575.30 : 217,040,324.55 = 87,138,708.10 : x
  2. Step 2: Convert to fraction form
    144,581,575.30/217,040,324.55 = 87,138,708.10/x
  3. Step 3: Cross multiply
    144,581,575.30x = 217,040,324.55 × 87,138,708.10
  4. Step 4: Simplify right side
    144,581,575.30x = 18,912,613,486,891,712
  5. Step 5: Solve for x
    x = 18,912,613,486,891,712/144,581,575.30
  6. Step 6: Final answer
    x = 130,809,291.90

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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.