Home / 40,839,729.73-61,222,516.57-20,375,708.29

Finding the Fourth Proportional to 40,839,729.73, 61,222,516.57 and 20,375,708.29

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Solution

The fourth proportional to 40,839,729.73, 61,222,516.57 and 20,375,708.29 is: 30,545,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839,729.73 : 61,222,516.57 = 20,375,708.29 : x
  2. Step 2: Convert to fraction form
    40,839,729.73/61,222,516.57 = 20,375,708.29/x
  3. Step 3: Cross multiply
    40,839,729.73x = 61,222,516.57 × 20,375,708.29
  4. Step 4: Simplify right side
    40,839,729.73x = 1,247,452,138,410,011.25
  5. Step 5: Solve for x
    x = 1,247,452,138,410,011.25/40,839,729.73
  6. Step 6: Final answer
    x = 30,545,063.51

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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.