Home / 185,417,306.92-278,151,456.20-68,822,756

Finding the Fourth Proportional to 185,417,306.92, 278,151,456.20 and 68,822,756

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Solution

The fourth proportional to 185,417,306.92, 278,151,456.20 and 68,822,756 is: 103,243,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,417,306.92 : 278,151,456.20 = 68,822,756 : x
  2. Step 2: Convert to fraction form
    185,417,306.92/278,151,456.20 = 68,822,756/x
  3. Step 3: Cross multiply
    185,417,306.92x = 278,151,456.20 × 68,822,756
  4. Step 4: Simplify right side
    185,417,306.92x = 19,143,149,801,097,288
  5. Step 5: Solve for x
    x = 19,143,149,801,097,288/185,417,306.92
  6. Step 6: Final answer
    x = 103,243,597.48

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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.