Home / 84,150,400.20-126,225,600.30-26,647,171.80

Finding the Fourth Proportional to 84,150,400.20, 126,225,600.30 and 26,647,171.80

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Solution

The fourth proportional to 84,150,400.20, 126,225,600.30 and 26,647,171.80 is: 39,970,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,150,400.20 : 126,225,600.30 = 26,647,171.80 : x
  2. Step 2: Convert to fraction form
    84,150,400.20/126,225,600.30 = 26,647,171.80/x
  3. Step 3: Cross multiply
    84,150,400.20x = 126,225,600.30 × 26,647,171.80
  4. Step 4: Simplify right side
    84,150,400.20x = 3,363,555,256,752,231.50
  5. Step 5: Solve for x
    x = 3,363,555,256,752,231.50/84,150,400.20
  6. Step 6: Final answer
    x = 39,970,757.70

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1.5x scale

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.