Home / 83,162,972.66-124,135,340.61-73,345,617.14

Finding the Fourth Proportional to 83,162,972.66, 124,135,340.61 and 73,345,617.14

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Solution

The fourth proportional to 83,162,972.66, 124,135,340.61 and 73,345,617.14 is: 109,481,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,162,972.66 : 124,135,340.61 = 73,345,617.14 : x
  2. Step 2: Convert to fraction form
    83,162,972.66/124,135,340.61 = 73,345,617.14/x
  3. Step 3: Cross multiply
    83,162,972.66x = 124,135,340.61 × 73,345,617.14
  4. Step 4: Simplify right side
    83,162,972.66x = 9,104,783,165,924,554
  5. Step 5: Solve for x
    x = 9,104,783,165,924,554/83,162,972.66
  6. Step 6: Final answer
    x = 109,481,213.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.