Home / 327,872,439.30-491,810,772.87-131,152,286.84

Finding the Fourth Proportional to 327,872,439.30, 491,810,772.87 and 131,152,286.84

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Solution

The fourth proportional to 327,872,439.30, 491,810,772.87 and 131,152,286.84 is: 196,729,275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,872,439.30 : 491,810,772.87 = 131,152,286.84 : x
  2. Step 2: Convert to fraction form
    327,872,439.30/491,810,772.87 = 131,152,286.84/x
  3. Step 3: Cross multiply
    327,872,439.30x = 491,810,772.87 × 131,152,286.84
  4. Step 4: Simplify right side
    327,872,439.30x = 64,502,107,551,989,272
  5. Step 5: Solve for x
    x = 64,502,107,551,989,272/327,872,439.30
  6. Step 6: Final answer
    x = 196,729,275.84

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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.