Home / 67,206,168.72-100,775,463.93-39,171,655.44

Finding the Fourth Proportional to 67,206,168.72, 100,775,463.93 and 39,171,655.44

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Solution

The fourth proportional to 67,206,168.72, 100,775,463.93 and 39,171,655.44 is: 58,737,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,206,168.72 : 100,775,463.93 = 39,171,655.44 : x
  2. Step 2: Convert to fraction form
    67,206,168.72/100,775,463.93 = 39,171,655.44/x
  3. Step 3: Cross multiply
    67,206,168.72x = 100,775,463.93 × 39,171,655.44
  4. Step 4: Simplify right side
    67,206,168.72x = 3,947,541,749,872,108.50
  5. Step 5: Solve for x
    x = 3,947,541,749,872,108.50/67,206,168.72
  6. Step 6: Final answer
    x = 58,737,788.88

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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.