Home / 276,658,917.26-414,732,997.18-138,364,182.76

Finding the Fourth Proportional to 276,658,917.26, 414,732,997.18 and 138,364,182.76

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Solution

The fourth proportional to 276,658,917.26, 414,732,997.18 and 138,364,182.76 is: 207,418,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,658,917.26 : 414,732,997.18 = 138,364,182.76 : x
  2. Step 2: Convert to fraction form
    276,658,917.26/414,732,997.18 = 138,364,182.76/x
  3. Step 3: Cross multiply
    276,658,917.26x = 414,732,997.18 × 138,364,182.76
  4. Step 4: Simplify right side
    276,658,917.26x = 57,384,192,217,552,200
  5. Step 5: Solve for x
    x = 57,384,192,217,552,200/276,658,917.26
  6. Step 6: Final answer
    x = 207,418,552.73

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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.