Home / 217,863,025.04-300,651,086.68-123,777,337.82

Finding the Fourth Proportional to 217,863,025.04, 300,651,086.68 and 123,777,337.82

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Solution

The fourth proportional to 217,863,025.04, 300,651,086.68 and 123,777,337.82 is: 170,812,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,863,025.04 : 300,651,086.68 = 123,777,337.82 : x
  2. Step 2: Convert to fraction form
    217,863,025.04/300,651,086.68 = 123,777,337.82/x
  3. Step 3: Cross multiply
    217,863,025.04x = 300,651,086.68 × 123,777,337.82
  4. Step 4: Simplify right side
    217,863,025.04x = 37,213,791,120,127,760
  5. Step 5: Solve for x
    x = 37,213,791,120,127,760/217,863,025.04
  6. Step 6: Final answer
    x = 170,812,789.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.