Home / 218,283,163.20-327,470,234.40-72,761,932.80

Finding the Fourth Proportional to 218,283,163.20, 327,470,234.40 and 72,761,932.80

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Solution

The fourth proportional to 218,283,163.20, 327,470,234.40 and 72,761,932.80 is: 109,158,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,283,163.20 : 327,470,234.40 = 72,761,932.80 : x
  2. Step 2: Convert to fraction form
    218,283,163.20/327,470,234.40 = 72,761,932.80/x
  3. Step 3: Cross multiply
    218,283,163.20x = 327,470,234.40 × 72,761,932.80
  4. Step 4: Simplify right side
    218,283,163.20x = 23,827,367,189,413,044
  5. Step 5: Solve for x
    x = 23,827,367,189,413,044/218,283,163.20
  6. Step 6: Final answer
    x = 109,158,062.58

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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.