Home / 219,451,654.56-329,250,657.24-145,965,142.68

Finding the Fourth Proportional to 219,451,654.56, 329,250,657.24 and 145,965,142.68

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Solution

The fourth proportional to 219,451,654.56, 329,250,657.24 and 145,965,142.68 is: 218,996,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,451,654.56 : 329,250,657.24 = 145,965,142.68 : x
  2. Step 2: Convert to fraction form
    219,451,654.56/329,250,657.24 = 145,965,142.68/x
  3. Step 3: Cross multiply
    219,451,654.56x = 329,250,657.24 × 145,965,142.68
  4. Step 4: Simplify right side
    219,451,654.56x = 48,059,119,161,520,376
  5. Step 5: Solve for x
    x = 48,059,119,161,520,376/219,451,654.56
  6. Step 6: Final answer
    x = 218,996,385.60

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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.