Home / 205,272,122.83-307,882,505.40-67,086,169.71

Finding the Fourth Proportional to 205,272,122.83, 307,882,505.40 and 67,086,169.71

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Solution

The fourth proportional to 205,272,122.83, 307,882,505.40 and 67,086,169.71 is: 100,620,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,272,122.83 : 307,882,505.40 = 67,086,169.71 : x
  2. Step 2: Convert to fraction form
    205,272,122.83/307,882,505.40 = 67,086,169.71/x
  3. Step 3: Cross multiply
    205,272,122.83x = 307,882,505.40 × 67,086,169.71
  4. Step 4: Simplify right side
    205,272,122.83x = 20,654,658,008,004,392
  5. Step 5: Solve for x
    x = 20,654,658,008,004,392/205,272,122.83
  6. Step 6: Final answer
    x = 100,620,862.31

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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.