Home / 148,715,998.20-223,073,997.30-79,841,244.60

Finding the Fourth Proportional to 148,715,998.20, 223,073,997.30 and 79,841,244.60

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Solution

The fourth proportional to 148,715,998.20, 223,073,997.30 and 79,841,244.60 is: 119,761,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,715,998.20 : 223,073,997.30 = 79,841,244.60 : x
  2. Step 2: Convert to fraction form
    148,715,998.20/223,073,997.30 = 79,841,244.60/x
  3. Step 3: Cross multiply
    148,715,998.20x = 223,073,997.30 × 79,841,244.60
  4. Step 4: Simplify right side
    148,715,998.20x = 17,810,505,582,329,040
  5. Step 5: Solve for x
    x = 17,810,505,582,329,040/148,715,998.20
  6. Step 6: Final answer
    x = 119,761,866.90

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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.