Home / 218,723,967.12-327,278,824.25-131,338,703.17

Finding the Fourth Proportional to 218,723,967.12, 327,278,824.25 and 131,338,703.17

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Solution

The fourth proportional to 218,723,967.12, 327,278,824.25 and 131,338,703.17 is: 196,523,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,723,967.12 : 327,278,824.25 = 131,338,703.17 : x
  2. Step 2: Convert to fraction form
    218,723,967.12/327,278,824.25 = 131,338,703.17/x
  3. Step 3: Cross multiply
    218,723,967.12x = 327,278,824.25 × 131,338,703.17
  4. Step 4: Simplify right side
    218,723,967.12x = 42,984,376,351,749,752
  5. Step 5: Solve for x
    x = 42,984,376,351,749,752/218,723,967.12
  6. Step 6: Final answer
    x = 196,523,393.92

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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.