Home / 171,393,732.20-257,057,121.81-54,777,806.74

Finding the Fourth Proportional to 171,393,732.20, 257,057,121.81 and 54,777,806.74

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Solution

The fourth proportional to 171,393,732.20, 257,057,121.81 and 54,777,806.74 is: 82,156,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,393,732.20 : 257,057,121.81 = 54,777,806.74 : x
  2. Step 2: Convert to fraction form
    171,393,732.20/257,057,121.81 = 54,777,806.74/x
  3. Step 3: Cross multiply
    171,393,732.20x = 257,057,121.81 × 54,777,806.74
  4. Step 4: Simplify right side
    171,393,732.20x = 14,081,025,338,729,610
  5. Step 5: Solve for x
    x = 14,081,025,338,729,610/171,393,732.20
  6. Step 6: Final answer
    x = 82,156,010.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.