Home / 330,251,013.20-495,376,519.80-100,219,728.80

Finding the Fourth Proportional to 330,251,013.20, 495,376,519.80 and 100,219,728.80

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Solution

The fourth proportional to 330,251,013.20, 495,376,519.80 and 100,219,728.80 is: 150,329,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,251,013.20 : 495,376,519.80 = 100,219,728.80 : x
  2. Step 2: Convert to fraction form
    330,251,013.20/495,376,519.80 = 100,219,728.80/x
  3. Step 3: Cross multiply
    330,251,013.20x = 495,376,519.80 × 100,219,728.80
  4. Step 4: Simplify right side
    330,251,013.20x = 49,646,500,468,243,832
  5. Step 5: Solve for x
    x = 49,646,500,468,243,832/330,251,013.20
  6. Step 6: Final answer
    x = 150,329,593.20

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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.