Home / 88,715,587.20-132,874,315.20-72,790,339.20

Finding the Fourth Proportional to 88,715,587.20, 132,874,315.20 and 72,790,339.20

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Solution

The fourth proportional to 88,715,587.20, 132,874,315.20 and 72,790,339.20 is: 109,022,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,715,587.20 : 132,874,315.20 = 72,790,339.20 : x
  2. Step 2: Convert to fraction form
    88,715,587.20/132,874,315.20 = 72,790,339.20/x
  3. Step 3: Cross multiply
    88,715,587.20x = 132,874,315.20 × 72,790,339.20
  4. Step 4: Simplify right side
    88,715,587.20x = 9,671,966,474,375,716
  5. Step 5: Solve for x
    x = 9,671,966,474,375,716/88,715,587.20
  6. Step 6: Final answer
    x = 109,022,177.27

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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.