Home / 205,126,986.30-307,690,479.45-61,519,818.30

Finding the Fourth Proportional to 205,126,986.30, 307,690,479.45 and 61,519,818.30

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Solution

The fourth proportional to 205,126,986.30, 307,690,479.45 and 61,519,818.30 is: 92,279,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,126,986.30 : 307,690,479.45 = 61,519,818.30 : x
  2. Step 2: Convert to fraction form
    205,126,986.30/307,690,479.45 = 61,519,818.30/x
  3. Step 3: Cross multiply
    205,126,986.30x = 307,690,479.45 × 61,519,818.30
  4. Step 4: Simplify right side
    205,126,986.30x = 18,929,062,388,403,884
  5. Step 5: Solve for x
    x = 18,929,062,388,403,884/205,126,986.30
  6. Step 6: Final answer
    x = 92,279,727.45

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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.