Home / 259,498,175.52-358,108,431.28-140,420,768.80

Finding the Fourth Proportional to 259,498,175.52, 358,108,431.28 and 140,420,768.80

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Solution

The fourth proportional to 259,498,175.52, 358,108,431.28 and 140,420,768.80 is: 193,781,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,498,175.52 : 358,108,431.28 = 140,420,768.80 : x
  2. Step 2: Convert to fraction form
    259,498,175.52/358,108,431.28 = 140,420,768.80/x
  3. Step 3: Cross multiply
    259,498,175.52x = 358,108,431.28 × 140,420,768.80
  4. Step 4: Simplify right side
    259,498,175.52x = 50,285,861,234,099,568
  5. Step 5: Solve for x
    x = 50,285,861,234,099,568/259,498,175.52
  6. Step 6: Final answer
    x = 193,781,174.50

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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.