Home / 51,222,744.56-76,834,247.88-20,930,607.44

Finding the Fourth Proportional to 51,222,744.56, 76,834,247.88 and 20,930,607.44

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Solution

The fourth proportional to 51,222,744.56, 76,834,247.88 and 20,930,607.44 is: 31,395,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222,744.56 : 76,834,247.88 = 20,930,607.44 : x
  2. Step 2: Convert to fraction form
    51,222,744.56/76,834,247.88 = 20,930,607.44/x
  3. Step 3: Cross multiply
    51,222,744.56x = 76,834,247.88 × 20,930,607.44
  4. Step 4: Simplify right side
    51,222,744.56x = 1,608,187,480,323,932.25
  5. Step 5: Solve for x
    x = 1,608,187,480,323,932.25/51,222,744.56
  6. Step 6: Final answer
    x = 31,395,964.71

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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.