Home / 205,850,206.20-308,491,874.10-136,566,046.20

Finding the Fourth Proportional to 205,850,206.20, 308,491,874.10 and 136,566,046.20

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Solution

The fourth proportional to 205,850,206.20, 308,491,874.10 and 136,566,046.20 is: 204,661,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,850,206.20 : 308,491,874.10 = 136,566,046.20 : x
  2. Step 2: Convert to fraction form
    205,850,206.20/308,491,874.10 = 136,566,046.20/x
  3. Step 3: Cross multiply
    205,850,206.20x = 308,491,874.10 × 136,566,046.20
  4. Step 4: Simplify right side
    205,850,206.20x = 42,129,515,530,665,184
  5. Step 5: Solve for x
    x = 42,129,515,530,665,184/205,850,206.20
  6. Step 6: Final answer
    x = 204,661,031.48

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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.