Home / 198,479,546.64-273,861,635.85-115,957,388.16

Finding the Fourth Proportional to 198,479,546.64, 273,861,635.85 and 115,957,388.16

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Solution

The fourth proportional to 198,479,546.64, 273,861,635.85 and 115,957,388.16 is: 159,997,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,479,546.64 : 273,861,635.85 = 115,957,388.16 : x
  2. Step 2: Convert to fraction form
    198,479,546.64/273,861,635.85 = 115,957,388.16/x
  3. Step 3: Cross multiply
    198,479,546.64x = 273,861,635.85 × 115,957,388.16
  4. Step 4: Simplify right side
    198,479,546.64x = 31,756,280,010,391,024
  5. Step 5: Solve for x
    x = 31,756,280,010,391,024/198,479,546.64
  6. Step 6: Final answer
    x = 159,997,745.60

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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.