Home / 115,442,819.70-159,309,123.03-62,519,097.85

Finding the Fourth Proportional to 115,442,819.70, 159,309,123.03 and 62,519,097.85

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Solution

The fourth proportional to 115,442,819.70, 159,309,123.03 and 62,519,097.85 is: 86,275,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,442,819.70 : 159,309,123.03 = 62,519,097.85 : x
  2. Step 2: Convert to fraction form
    115,442,819.70/159,309,123.03 = 62,519,097.85/x
  3. Step 3: Cross multiply
    115,442,819.70x = 159,309,123.03 × 62,519,097.85
  4. Step 4: Simplify right side
    115,442,819.70x = 9,959,862,650,711,986
  5. Step 5: Solve for x
    x = 9,959,862,650,711,986/115,442,819.70
  6. Step 6: Final answer
    x = 86,275,289.16

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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.