Home / 85,432,132.23-117,890,221.89-50,151,369.87

Finding the Fourth Proportional to 85,432,132.23, 117,890,221.89 and 50,151,369.87

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Solution

The fourth proportional to 85,432,132.23, 117,890,221.89 and 50,151,369.87 is: 69,205,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,432,132.23 : 117,890,221.89 = 50,151,369.87 : x
  2. Step 2: Convert to fraction form
    85,432,132.23/117,890,221.89 = 50,151,369.87/x
  3. Step 3: Cross multiply
    85,432,132.23x = 117,890,221.89 × 50,151,369.87
  4. Step 4: Simplify right side
    85,432,132.23x = 5,912,356,122,061,760
  5. Step 5: Solve for x
    x = 5,912,356,122,061,760/85,432,132.23
  6. Step 6: Final answer
    x = 69,205,297.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.