Home / 84,150,405.20-126,225,607.80-26,647,176.80

Finding the Fourth Proportional to 84,150,405.20, 126,225,607.80 and 26,647,176.80

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Solution

The fourth proportional to 84,150,405.20, 126,225,607.80 and 26,647,176.80 is: 39,970,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,150,405.20 : 126,225,607.80 = 26,647,176.80 : x
  2. Step 2: Convert to fraction form
    84,150,405.20/126,225,607.80 = 26,647,176.80/x
  3. Step 3: Cross multiply
    84,150,405.20x = 126,225,607.80 × 26,647,176.80
  4. Step 4: Simplify right side
    84,150,405.20x = 3,363,556,087,734,059
  5. Step 5: Solve for x
    x = 3,363,556,087,734,059/84,150,405.20
  6. Step 6: Final answer
    x = 39,970,765.20

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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.