Home / 129,981,318.40-179,393,471.33-82,301,004.56

Finding the Fourth Proportional to 129,981,318.40, 179,393,471.33 and 82,301,004.56

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Solution

The fourth proportional to 129,981,318.40, 179,393,471.33 and 82,301,004.56 is: 113,587,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,981,318.40 : 179,393,471.33 = 82,301,004.56 : x
  2. Step 2: Convert to fraction form
    129,981,318.40/179,393,471.33 = 82,301,004.56/x
  3. Step 3: Cross multiply
    129,981,318.40x = 179,393,471.33 × 82,301,004.56
  4. Step 4: Simplify right side
    129,981,318.40x = 14,764,262,901,964,560
  5. Step 5: Solve for x
    x = 14,764,262,901,964,560/129,981,318.40
  6. Step 6: Final answer
    x = 113,587,576.15

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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.