Home / 51,222,745.56-76,834,249.38-20,930,608.44

Finding the Fourth Proportional to 51,222,745.56, 76,834,249.38 and 20,930,608.44

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Solution

The fourth proportional to 51,222,745.56, 76,834,249.38 and 20,930,608.44 is: 31,395,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222,745.56 : 76,834,249.38 = 20,930,608.44 : x
  2. Step 2: Convert to fraction form
    51,222,745.56/76,834,249.38 = 20,930,608.44/x
  3. Step 3: Cross multiply
    51,222,745.56x = 76,834,249.38 × 20,930,608.44
  4. Step 4: Simplify right side
    51,222,745.56x = 1,608,187,588,554,092.75
  5. Step 5: Solve for x
    x = 1,608,187,588,554,092.75/51,222,745.56
  6. Step 6: Final answer
    x = 31,395,966.21

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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.