Home / 327,667,223.70-491,500,835.55-85,330,127.70

Finding the Fourth Proportional to 327,667,223.70, 491,500,835.55 and 85,330,127.70

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Solution

The fourth proportional to 327,667,223.70, 491,500,835.55 and 85,330,127.70 is: 127,995,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,667,223.70 : 491,500,835.55 = 85,330,127.70 : x
  2. Step 2: Convert to fraction form
    327,667,223.70/491,500,835.55 = 85,330,127.70/x
  3. Step 3: Cross multiply
    327,667,223.70x = 491,500,835.55 × 85,330,127.70
  4. Step 4: Simplify right side
    327,667,223.70x = 41,939,829,062,138,200
  5. Step 5: Solve for x
    x = 41,939,829,062,138,200/327,667,223.70
  6. Step 6: Final answer
    x = 127,995,191.55

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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.