Home / 88,491,601.80-132,784,991.82-85,270,646.52

Finding the Fourth Proportional to 88,491,601.80, 132,784,991.82 and 85,270,646.52

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Solution

The fourth proportional to 88,491,601.80, 132,784,991.82 and 85,270,646.52 is: 127,951,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,491,601.80 : 132,784,991.82 = 85,270,646.52 : x
  2. Step 2: Convert to fraction form
    88,491,601.80/132,784,991.82 = 85,270,646.52/x
  3. Step 3: Cross multiply
    88,491,601.80x = 132,784,991.82 × 85,270,646.52
  4. Step 4: Simplify right side
    88,491,601.80x = 11,322,662,100,644,310
  5. Step 5: Solve for x
    x = 11,322,662,100,644,310/88,491,601.80
  6. Step 6: Final answer
    x = 127,951,826.73

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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.