Home / 82,981,774.80-124,468,162.68-25,474,055.76

Finding the Fourth Proportional to 82,981,774.80, 124,468,162.68 and 25,474,055.76

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Solution

The fourth proportional to 82,981,774.80, 124,468,162.68 and 25,474,055.76 is: 38,209,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,981,774.80 : 124,468,162.68 = 25,474,055.76 : x
  2. Step 2: Convert to fraction form
    82,981,774.80/124,468,162.68 = 25,474,055.76/x
  3. Step 3: Cross multiply
    82,981,774.80x = 124,468,162.68 × 25,474,055.76
  4. Step 4: Simplify right side
    82,981,774.80x = 3,170,708,916,455,071.50
  5. Step 5: Solve for x
    x = 3,170,708,916,455,071.50/82,981,774.80
  6. Step 6: Final answer
    x = 38,209,702.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.