Home / 129,981,323.66-179,393,478.58-82,301,009.82

Finding the Fourth Proportional to 129,981,323.66, 179,393,478.58 and 82,301,009.82

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Solution

The fourth proportional to 129,981,323.66, 179,393,478.58 and 82,301,009.82 is: 113,587,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,981,323.66 : 179,393,478.58 = 82,301,009.82 : x
  2. Step 2: Convert to fraction form
    129,981,323.66/179,393,478.58 = 82,301,009.82/x
  3. Step 3: Cross multiply
    129,981,323.66x = 179,393,478.58 × 82,301,009.82
  4. Step 4: Simplify right side
    129,981,323.66x = 14,764,264,442,256,540
  5. Step 5: Solve for x
    x = 14,764,264,442,256,540/129,981,323.66
  6. Step 6: Final answer
    x = 113,587,583.40

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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.