Home / 205,877,576.38-308,876,143.38-82,992,481.24

Finding the Fourth Proportional to 205,877,576.38, 308,876,143.38 and 82,992,481.24

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Solution

The fourth proportional to 205,877,576.38, 308,876,143.38 and 82,992,481.24 is: 124,512,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,877,576.38 : 308,876,143.38 = 82,992,481.24 : x
  2. Step 2: Convert to fraction form
    205,877,576.38/308,876,143.38 = 82,992,481.24/x
  3. Step 3: Cross multiply
    205,877,576.38x = 308,876,143.38 × 82,992,481.24
  4. Step 4: Simplify right side
    205,877,576.38x = 25,634,397,534,948,200
  5. Step 5: Solve for x
    x = 25,634,397,534,948,200/205,877,576.38
  6. Step 6: Final answer
    x = 124,512,819.64

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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.