Home / 49,485,815.81-74,204,438.83-20,334,373.73

Finding the Fourth Proportional to 49,485,815.81, 74,204,438.83 and 20,334,373.73

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Solution

The fourth proportional to 49,485,815.81, 74,204,438.83 and 20,334,373.73 is: 30,491,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,485,815.81 : 74,204,438.83 = 20,334,373.73 : x
  2. Step 2: Convert to fraction form
    49,485,815.81/74,204,438.83 = 20,334,373.73/x
  3. Step 3: Cross multiply
    49,485,815.81x = 74,204,438.83 × 20,334,373.73
  4. Step 4: Simplify right side
    49,485,815.81x = 1,508,900,791,172,286
  5. Step 5: Solve for x
    x = 1,508,900,791,172,286/49,485,815.81
  6. Step 6: Final answer
    x = 30,491,581.61

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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.