Home / 74,034,972.20-111,052,458.30-43,727,234.60

Finding the Fourth Proportional to 74,034,972.20, 111,052,458.30 and 43,727,234.60

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Solution

The fourth proportional to 74,034,972.20, 111,052,458.30 and 43,727,234.60 is: 65,590,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,034,972.20 : 111,052,458.30 = 43,727,234.60 : x
  2. Step 2: Convert to fraction form
    74,034,972.20/111,052,458.30 = 43,727,234.60/x
  3. Step 3: Cross multiply
    74,034,972.20x = 111,052,458.30 × 43,727,234.60
  4. Step 4: Simplify right side
    74,034,972.20x = 4,856,016,896,990,817
  5. Step 5: Solve for x
    x = 4,856,016,896,990,817/74,034,972.20
  6. Step 6: Final answer
    x = 65,590,851.90

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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.