Home / 115,981,321.92-160,049,919.78-63,767,250.96

Finding the Fourth Proportional to 115,981,321.92, 160,049,919.78 and 63,767,250.96

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Solution

The fourth proportional to 115,981,321.92, 160,049,919.78 and 63,767,250.96 is: 87,996,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,981,321.92 : 160,049,919.78 = 63,767,250.96 : x
  2. Step 2: Convert to fraction form
    115,981,321.92/160,049,919.78 = 63,767,250.96/x
  3. Step 3: Cross multiply
    115,981,321.92x = 160,049,919.78 × 63,767,250.96
  4. Step 4: Simplify right side
    115,981,321.92x = 10,205,943,400,739,128
  5. Step 5: Solve for x
    x = 10,205,943,400,739,128/115,981,321.92
  6. Step 6: Final answer
    x = 87,996,439.70

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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.