Home / 166,805,998.20-250,208,997.30-112,386,439.80

Finding the Fourth Proportional to 166,805,998.20, 250,208,997.30 and 112,386,439.80

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Solution

The fourth proportional to 166,805,998.20, 250,208,997.30 and 112,386,439.80 is: 168,579,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,805,998.20 : 250,208,997.30 = 112,386,439.80 : x
  2. Step 2: Convert to fraction form
    166,805,998.20/250,208,997.30 = 112,386,439.80/x
  3. Step 3: Cross multiply
    166,805,998.20x = 250,208,997.30 × 112,386,439.80
  4. Step 4: Simplify right side
    166,805,998.20x = 28,120,098,412,474,812
  5. Step 5: Solve for x
    x = 28,120,098,412,474,812/166,805,998.20
  6. Step 6: Final answer
    x = 168,579,659.70

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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.