Home / 330,251,291.70-495,376,937.55-100,220,007.30

Finding the Fourth Proportional to 330,251,291.70, 495,376,937.55 and 100,220,007.30

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Solution

The fourth proportional to 330,251,291.70, 495,376,937.55 and 100,220,007.30 is: 150,330,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,251,291.70 : 495,376,937.55 = 100,220,007.30 : x
  2. Step 2: Convert to fraction form
    330,251,291.70/495,376,937.55 = 100,220,007.30/x
  3. Step 3: Cross multiply
    330,251,291.70x = 495,376,937.55 × 100,220,007.30
  4. Step 4: Simplify right side
    330,251,291.70x = 49,646,680,297,512,640
  5. Step 5: Solve for x
    x = 49,646,680,297,512,640/330,251,291.70
  6. Step 6: Final answer
    x = 150,330,010.95

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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.