Home / 138,741,439.24-191,447,738.91-76,846,277.44

Finding the Fourth Proportional to 138,741,439.24, 191,447,738.91 and 76,846,277.44

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Solution

The fourth proportional to 138,741,439.24, 191,447,738.91 and 76,846,277.44 is: 106,039,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,741,439.24 : 191,447,738.91 = 76,846,277.44 : x
  2. Step 2: Convert to fraction form
    138,741,439.24/191,447,738.91 = 76,846,277.44/x
  3. Step 3: Cross multiply
    138,741,439.24x = 191,447,738.91 × 76,846,277.44
  4. Step 4: Simplify right side
    138,741,439.24x = 14,712,046,059,538,542
  5. Step 5: Solve for x
    x = 14,712,046,059,538,542/138,741,439.24
  6. Step 6: Final answer
    x = 106,039,306.93

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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.