Home / 276,780,270.92-381,964,747.38-153,028,937.48

Finding the Fourth Proportional to 276,780,270.92, 381,964,747.38 and 153,028,937.48

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Solution

The fourth proportional to 276,780,270.92, 381,964,747.38 and 153,028,937.48 is: 211,184,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,780,270.92 : 381,964,747.38 = 153,028,937.48 : x
  2. Step 2: Convert to fraction form
    276,780,270.92/381,964,747.38 = 153,028,937.48/x
  3. Step 3: Cross multiply
    276,780,270.92x = 381,964,747.38 × 153,028,937.48
  4. Step 4: Simplify right side
    276,780,270.92x = 58,451,659,446,378,008
  5. Step 5: Solve for x
    x = 58,451,659,446,378,008/276,780,270.92
  6. Step 6: Final answer
    x = 211,184,342.19

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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.