Home / 87,679,254.62-120,997,606.74-48,523,731.50

Finding the Fourth Proportional to 87,679,254.62, 120,997,606.74 and 48,523,731.50

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Solution

The fourth proportional to 87,679,254.62, 120,997,606.74 and 48,523,731.50 is: 66,962,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,679,254.62 : 120,997,606.74 = 48,523,731.50 : x
  2. Step 2: Convert to fraction form
    87,679,254.62/120,997,606.74 = 48,523,731.50/x
  3. Step 3: Cross multiply
    87,679,254.62x = 120,997,606.74 × 48,523,731.50
  4. Step 4: Simplify right side
    87,679,254.62x = 5,871,255,381,594,350
  5. Step 5: Solve for x
    x = 5,871,255,381,594,350/87,679,254.62
  6. Step 6: Final answer
    x = 66,962,879.73

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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.