Home / 49,419,553.32-74,162,820.09-20,278,660.62

Finding the Fourth Proportional to 49,419,553.32, 74,162,820.09 and 20,278,660.62

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Solution

The fourth proportional to 49,419,553.32, 74,162,820.09 and 20,278,660.62 is: 30,431,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,419,553.32 : 74,162,820.09 = 20,278,660.62 : x
  2. Step 2: Convert to fraction form
    49,419,553.32/74,162,820.09 = 20,278,660.62/x
  3. Step 3: Cross multiply
    49,419,553.32x = 74,162,820.09 × 20,278,660.62
  4. Step 4: Simplify right side
    49,419,553.32x = 1,503,922,659,227,228
  5. Step 5: Solve for x
    x = 1,503,922,659,227,228/49,419,553.32
  6. Step 6: Final answer
    x = 30,431,733.15

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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.