Home / 67,220,936.20-100,663,442.70-53,784,008.20

Finding the Fourth Proportional to 67,220,936.20, 100,663,442.70 and 53,784,008.20

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Solution

The fourth proportional to 67,220,936.20, 100,663,442.70 and 53,784,008.20 is: 80,541,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,220,936.20 : 100,663,442.70 = 53,784,008.20 : x
  2. Step 2: Convert to fraction form
    67,220,936.20/100,663,442.70 = 53,784,008.20/x
  3. Step 3: Cross multiply
    67,220,936.20x = 100,663,442.70 × 53,784,008.20
  4. Step 4: Simplify right side
    67,220,936.20x = 5,414,083,427,617,031
  5. Step 5: Solve for x
    x = 5,414,083,427,617,031/67,220,936.20
  6. Step 6: Final answer
    x = 80,541,624.88

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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.