Home / 129,981,324.15-179,393,479.26-82,301,010.33

Finding the Fourth Proportional to 129,981,324.15, 179,393,479.26 and 82,301,010.33

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Solution

The fourth proportional to 129,981,324.15, 179,393,479.26 and 82,301,010.33 is: 113,587,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,981,324.15 : 179,393,479.26 = 82,301,010.33 : x
  2. Step 2: Convert to fraction form
    129,981,324.15/179,393,479.26 = 82,301,010.33/x
  3. Step 3: Cross multiply
    129,981,324.15x = 179,393,479.26 × 82,301,010.33
  4. Step 4: Simplify right side
    129,981,324.15x = 14,764,264,589,711,900
  5. Step 5: Solve for x
    x = 14,764,264,589,711,900/129,981,324.15
  6. Step 6: Final answer
    x = 113,587,584.11

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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.