Home / 205,272,124.33-307,882,507.65-67,086,171.21

Finding the Fourth Proportional to 205,272,124.33, 307,882,507.65 and 67,086,171.21

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Solution

The fourth proportional to 205,272,124.33, 307,882,507.65 and 67,086,171.21 is: 100,620,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,272,124.33 : 307,882,507.65 = 67,086,171.21 : x
  2. Step 2: Convert to fraction form
    205,272,124.33/307,882,507.65 = 67,086,171.21/x
  3. Step 3: Cross multiply
    205,272,124.33x = 307,882,507.65 × 67,086,171.21
  4. Step 4: Simplify right side
    205,272,124.33x = 20,654,658,620,772,032
  5. Step 5: Solve for x
    x = 20,654,658,620,772,032/205,272,124.33
  6. Step 6: Final answer
    x = 100,620,864.56

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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.