Home / 80,592,003.70-120,888,005.55-58,085,149.30

Finding the Fourth Proportional to 80,592,003.70, 120,888,005.55 and 58,085,149.30

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Solution

The fourth proportional to 80,592,003.70, 120,888,005.55 and 58,085,149.30 is: 87,127,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592,003.70 : 120,888,005.55 = 58,085,149.30 : x
  2. Step 2: Convert to fraction form
    80,592,003.70/120,888,005.55 = 58,085,149.30/x
  3. Step 3: Cross multiply
    80,592,003.70x = 120,888,005.55 × 58,085,149.30
  4. Step 4: Simplify right side
    80,592,003.70x = 7,021,797,850,950,978
  5. Step 5: Solve for x
    x = 7,021,797,850,950,978/80,592,003.70
  6. Step 6: Final answer
    x = 87,127,723.95

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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.