Home / 276,784,286.96-415,380,824.73-131,218,359.75

Finding the Fourth Proportional to 276,784,286.96, 415,380,824.73 and 131,218,359.75

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Solution

The fourth proportional to 276,784,286.96, 415,380,824.73 and 131,218,359.75 is: 196,924,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,784,286.96 : 415,380,824.73 = 131,218,359.75 : x
  2. Step 2: Convert to fraction form
    276,784,286.96/415,380,824.73 = 131,218,359.75/x
  3. Step 3: Cross multiply
    276,784,286.96x = 415,380,824.73 × 131,218,359.75
  4. Step 4: Simplify right side
    276,784,286.96x = 54,505,590,492,672,840
  5. Step 5: Solve for x
    x = 54,505,590,492,672,840/276,784,286.96
  6. Step 6: Final answer
    x = 196,924,439.21

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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.