Home / 185,836,279.92-278,753,920.20-69,248,981.76

Finding the Fourth Proportional to 185,836,279.92, 278,753,920.20 and 69,248,981.76

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Solution

The fourth proportional to 185,836,279.92, 278,753,920.20 and 69,248,981.76 is: 103,873,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,836,279.92 : 278,753,920.20 = 69,248,981.76 : x
  2. Step 2: Convert to fraction form
    185,836,279.92/278,753,920.20 = 69,248,981.76/x
  3. Step 3: Cross multiply
    185,836,279.92x = 278,753,920.20 × 69,248,981.76
  4. Step 4: Simplify right side
    185,836,279.92x = 19,303,425,135,458,296
  5. Step 5: Solve for x
    x = 19,303,425,135,458,296/185,836,279.92
  6. Step 6: Final answer
    x = 103,873,286.44

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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.