Home / 86,220,138.70-129,379,974.45-32,372,893.90

Finding the Fourth Proportional to 86,220,138.70, 129,379,974.45 and 32,372,893.90

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Solution

The fourth proportional to 86,220,138.70, 129,379,974.45 and 32,372,893.90 is: 48,578,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,220,138.70 : 129,379,974.45 = 32,372,893.90 : x
  2. Step 2: Convert to fraction form
    86,220,138.70/129,379,974.45 = 32,372,893.90/x
  3. Step 3: Cross multiply
    86,220,138.70x = 129,379,974.45 × 32,372,893.90
  4. Step 4: Simplify right side
    86,220,138.70x = 4,188,404,185,654,561
  5. Step 5: Solve for x
    x = 4,188,404,185,654,561/86,220,138.70
  6. Step 6: Final answer
    x = 48,578,026.54

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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.