Home / 89,419,471.71-123,380,780.82-52,242,571.91

Finding the Fourth Proportional to 89,419,471.71, 123,380,780.82 and 52,242,571.91

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Solution

The fourth proportional to 89,419,471.71, 123,380,780.82 and 52,242,571.91 is: 72,084,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,419,471.71 : 123,380,780.82 = 52,242,571.91 : x
  2. Step 2: Convert to fraction form
    89,419,471.71/123,380,780.82 = 52,242,571.91/x
  3. Step 3: Cross multiply
    89,419,471.71x = 123,380,780.82 × 52,242,571.91
  4. Step 4: Simplify right side
    89,419,471.71x = 6,445,729,314,239,744
  5. Step 5: Solve for x
    x = 6,445,729,314,239,744/89,419,471.71
  6. Step 6: Final answer
    x = 72,084,180.23

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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.