Home / 90,777,825.50-125,273,276.06-49,524,717.87

Finding the Fourth Proportional to 90,777,825.50, 125,273,276.06 and 49,524,717.87

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Solution

The fourth proportional to 90,777,825.50, 125,273,276.06 and 49,524,717.87 is: 68,344,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,777,825.50 : 125,273,276.06 = 49,524,717.87 : x
  2. Step 2: Convert to fraction form
    90,777,825.50/125,273,276.06 = 49,524,717.87/x
  3. Step 3: Cross multiply
    90,777,825.50x = 125,273,276.06 × 49,524,717.87
  4. Step 4: Simplify right side
    90,777,825.50x = 6,204,123,653,274,502
  5. Step 5: Solve for x
    x = 6,204,123,653,274,502/90,777,825.50
  6. Step 6: Final answer
    x = 68,344,043.49

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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.