Home / 83,862,187.56-115,729,581.78-47,192,758.20

Finding the Fourth Proportional to 83,862,187.56, 115,729,581.78 and 47,192,758.20

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Solution

The fourth proportional to 83,862,187.56, 115,729,581.78 and 47,192,758.20 is: 65,125,872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,862,187.56 : 115,729,581.78 = 47,192,758.20 : x
  2. Step 2: Convert to fraction form
    83,862,187.56/115,729,581.78 = 47,192,758.20/x
  3. Step 3: Cross multiply
    83,862,187.56x = 115,729,581.78 × 47,192,758.20
  4. Step 4: Simplify right side
    83,862,187.56x = 5,461,598,169,530,666
  5. Step 5: Solve for x
    x = 5,461,598,169,530,666/83,862,187.56
  6. Step 6: Final answer
    x = 65,125,872.92

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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.