Home / 378,001,178.20-566,553,869.70-159,651,098.20

Finding the Fourth Proportional to 378,001,178.20, 566,553,869.70 and 159,651,098.20

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Solution

The fourth proportional to 378,001,178.20, 566,553,869.70 and 159,651,098.20 is: 239,287,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,001,178.20 : 566,553,869.70 = 159,651,098.20 : x
  2. Step 2: Convert to fraction form
    378,001,178.20/566,553,869.70 = 159,651,098.20/x
  3. Step 3: Cross multiply
    378,001,178.20x = 566,553,869.70 × 159,651,098.20
  4. Step 4: Simplify right side
    378,001,178.20x = 90,450,947,487,064,704
  5. Step 5: Solve for x
    x = 90,450,947,487,064,704/378,001,178.20
  6. Step 6: Final answer
    x = 239,287,475.02

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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.