Home / 338,689,861.20-508,034,791.80-123,251,115.60

Finding the Fourth Proportional to 338,689,861.20, 508,034,791.80 and 123,251,115.60

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Solution

The fourth proportional to 338,689,861.20, 508,034,791.80 and 123,251,115.60 is: 184,876,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,689,861.20 : 508,034,791.80 = 123,251,115.60 : x
  2. Step 2: Convert to fraction form
    338,689,861.20/508,034,791.80 = 123,251,115.60/x
  3. Step 3: Cross multiply
    338,689,861.20x = 508,034,791.80 × 123,251,115.60
  4. Step 4: Simplify right side
    338,689,861.20x = 62,615,854,852,963,728
  5. Step 5: Solve for x
    x = 62,615,854,852,963,728/338,689,861.20
  6. Step 6: Final answer
    x = 184,876,673.40

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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.