Home / 276,905,656.38-382,247,467.43-172,535,295

Finding the Fourth Proportional to 276,905,656.38, 382,247,467.43 and 172,535,295

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Solution

The fourth proportional to 276,905,656.38, 382,247,467.43 and 172,535,295 is: 238,172,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,656.38 : 382,247,467.43 = 172,535,295 : x
  2. Step 2: Convert to fraction form
    276,905,656.38/382,247,467.43 = 172,535,295/x
  3. Step 3: Cross multiply
    276,905,656.38x = 382,247,467.43 × 172,535,295
  4. Step 4: Simplify right side
    276,905,656.38x = 65,951,179,555,175,264
  5. Step 5: Solve for x
    x = 65,951,179,555,175,264/276,905,656.38
  6. Step 6: Final answer
    x = 238,172,020.09

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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.