Home / 115,442,834.76-159,309,143.70-62,519,112.90

Finding the Fourth Proportional to 115,442,834.76, 159,309,143.70 and 62,519,112.90

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Solution

The fourth proportional to 115,442,834.76, 159,309,143.70 and 62,519,112.90 is: 86,275,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,442,834.76 : 159,309,143.70 = 62,519,112.90 : x
  2. Step 2: Convert to fraction form
    115,442,834.76/159,309,143.70 = 62,519,112.90/x
  3. Step 3: Cross multiply
    115,442,834.76x = 159,309,143.70 × 62,519,112.90
  4. Step 4: Simplify right side
    115,442,834.76x = 9,959,866,340,982,622
  5. Step 5: Solve for x
    x = 9,959,866,340,982,622/115,442,834.76
  6. Step 6: Final answer
    x = 86,275,309.87

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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.