Home / 330,165,962.20-495,248,943.30-100,146,487.60

Finding the Fourth Proportional to 330,165,962.20, 495,248,943.30 and 100,146,487.60

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Solution

The fourth proportional to 330,165,962.20, 495,248,943.30 and 100,146,487.60 is: 150,219,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,165,962.20 : 495,248,943.30 = 100,146,487.60 : x
  2. Step 2: Convert to fraction form
    330,165,962.20/495,248,943.30 = 100,146,487.60/x
  3. Step 3: Cross multiply
    330,165,962.20x = 495,248,943.30 × 100,146,487.60
  4. Step 4: Simplify right side
    330,165,962.20x = 49,597,442,159,106,552
  5. Step 5: Solve for x
    x = 49,597,442,159,106,552/330,165,962.20
  6. Step 6: Final answer
    x = 150,219,731.40

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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.