Home / 276,769,501.20-381,949,882.79-153,018,149.94

Finding the Fourth Proportional to 276,769,501.20, 381,949,882.79 and 153,018,149.94

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Solution

The fourth proportional to 276,769,501.20, 381,949,882.79 and 153,018,149.94 is: 211,169,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,769,501.20 : 381,949,882.79 = 153,018,149.94 : x
  2. Step 2: Convert to fraction form
    276,769,501.20/381,949,882.79 = 153,018,149.94/x
  3. Step 3: Cross multiply
    276,769,501.20x = 381,949,882.79 × 153,018,149.94
  4. Step 4: Simplify right side
    276,769,501.20x = 58,445,264,433,560,560
  5. Step 5: Solve for x
    x = 58,445,264,433,560,560/276,769,501.20
  6. Step 6: Final answer
    x = 211,169,453.93

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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.