Home / 276,270,976.64-381,251,609.43-152,508,996.56

Finding the Fourth Proportional to 276,270,976.64, 381,251,609.43 and 152,508,996.56

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Solution

The fourth proportional to 276,270,976.64, 381,251,609.43 and 152,508,996.56 is: 210,461,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,270,976.64 : 381,251,609.43 = 152,508,996.56 : x
  2. Step 2: Convert to fraction form
    276,270,976.64/381,251,609.43 = 152,508,996.56/x
  3. Step 3: Cross multiply
    276,270,976.64x = 381,251,609.43 × 152,508,996.56
  4. Step 4: Simplify right side
    276,270,976.64x = 58,144,300,391,435,552
  5. Step 5: Solve for x
    x = 58,144,300,391,435,552/276,270,976.64
  6. Step 6: Final answer
    x = 210,461,124.43

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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.