Home / 361,761,379.28-499,230,949.66-202,969,581.72

Finding the Fourth Proportional to 361,761,379.28, 499,230,949.66 and 202,969,581.72

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Solution

The fourth proportional to 361,761,379.28, 499,230,949.66 and 202,969,581.72 is: 280,098,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,761,379.28 : 499,230,949.66 = 202,969,581.72 : x
  2. Step 2: Convert to fraction form
    361,761,379.28/499,230,949.66 = 202,969,581.72/x
  3. Step 3: Cross multiply
    361,761,379.28x = 499,230,949.66 × 202,969,581.72
  4. Step 4: Simplify right side
    361,761,379.28x = 101,328,697,034,168,576
  5. Step 5: Solve for x
    x = 101,328,697,034,168,576/361,761,379.28
  6. Step 6: Final answer
    x = 280,098,160.94

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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.