Home / 276,905,529.88-382,247,292.27-172,535,167.59

Finding the Fourth Proportional to 276,905,529.88, 382,247,292.27 and 172,535,167.59

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Solution

The fourth proportional to 276,905,529.88, 382,247,292.27 and 172,535,167.59 is: 238,171,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,529.88 : 382,247,292.27 = 172,535,167.59 : x
  2. Step 2: Convert to fraction form
    276,905,529.88/382,247,292.27 = 172,535,167.59/x
  3. Step 3: Cross multiply
    276,905,529.88x = 382,247,292.27 × 172,535,167.59
  4. Step 4: Simplify right side
    276,905,529.88x = 65,951,100,632,556,552
  5. Step 5: Solve for x
    x = 65,951,100,632,556,552/276,905,529.88
  6. Step 6: Final answer
    x = 238,171,843.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.