Home / 71,868,197.76-107,858,199.04-50,161,785.36

Finding the Fourth Proportional to 71,868,197.76, 107,858,199.04 and 50,161,785.36

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Solution

The fourth proportional to 71,868,197.76, 107,858,199.04 and 50,161,785.36 is: 75,281,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,868,197.76 : 107,858,199.04 = 50,161,785.36 : x
  2. Step 2: Convert to fraction form
    71,868,197.76/107,858,199.04 = 50,161,785.36/x
  3. Step 3: Cross multiply
    71,868,197.76x = 107,858,199.04 × 50,161,785.36
  4. Step 4: Simplify right side
    71,868,197.76x = 5,410,359,829,560,638
  5. Step 5: Solve for x
    x = 5,410,359,829,560,638/71,868,197.76
  6. Step 6: Final answer
    x = 75,281,696.19

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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.