Home / 81,595,500.20-122,393,250.30-73,375,879.40

Finding the Fourth Proportional to 81,595,500.20, 122,393,250.30 and 73,375,879.40

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Solution

The fourth proportional to 81,595,500.20, 122,393,250.30 and 73,375,879.40 is: 110,063,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,595,500.20 : 122,393,250.30 = 73,375,879.40 : x
  2. Step 2: Convert to fraction form
    81,595,500.20/122,393,250.30 = 73,375,879.40/x
  3. Step 3: Cross multiply
    81,595,500.20x = 122,393,250.30 × 73,375,879.40
  4. Step 4: Simplify right side
    81,595,500.20x = 8,980,712,373,386,814
  5. Step 5: Solve for x
    x = 8,980,712,373,386,814/81,595,500.20
  6. Step 6: Final answer
    x = 110,063,819.10

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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.