Home / 89,162,121.53-123,057,177.21-54,374,990.38

Finding the Fourth Proportional to 89,162,121.53, 123,057,177.21 and 54,374,990.38

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Solution

The fourth proportional to 89,162,121.53, 123,057,177.21 and 54,374,990.38 is: 75,045,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,162,121.53 : 123,057,177.21 = 54,374,990.38 : x
  2. Step 2: Convert to fraction form
    89,162,121.53/123,057,177.21 = 54,374,990.38/x
  3. Step 3: Cross multiply
    89,162,121.53x = 123,057,177.21 × 54,374,990.38
  4. Step 4: Simplify right side
    89,162,121.53x = 6,691,232,826,676,062
  5. Step 5: Solve for x
    x = 6,691,232,826,676,062/89,162,121.53
  6. Step 6: Final answer
    x = 75,045,688.82

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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.