Home / 80,592,004.20-120,888,006.30-58,085,149.80

Finding the Fourth Proportional to 80,592,004.20, 120,888,006.30 and 58,085,149.80

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Solution

The fourth proportional to 80,592,004.20, 120,888,006.30 and 58,085,149.80 is: 87,127,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592,004.20 : 120,888,006.30 = 58,085,149.80 : x
  2. Step 2: Convert to fraction form
    80,592,004.20/120,888,006.30 = 58,085,149.80/x
  3. Step 3: Cross multiply
    80,592,004.20x = 120,888,006.30 × 58,085,149.80
  4. Step 4: Simplify right side
    80,592,004.20x = 7,021,797,954,958,843
  5. Step 5: Solve for x
    x = 7,021,797,954,958,843/80,592,004.20
  6. Step 6: Final answer
    x = 87,127,724.70

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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.