Home / 88,715,631.20-132,874,381.20-72,790,383.20

Finding the Fourth Proportional to 88,715,631.20, 132,874,381.20 and 72,790,383.20

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Solution

The fourth proportional to 88,715,631.20, 132,874,381.20 and 72,790,383.20 is: 109,022,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,715,631.20 : 132,874,381.20 = 72,790,383.20 : x
  2. Step 2: Convert to fraction form
    88,715,631.20/132,874,381.20 = 72,790,383.20/x
  3. Step 3: Cross multiply
    88,715,631.20x = 132,874,381.20 × 72,790,383.20
  4. Step 4: Simplify right side
    88,715,631.20x = 9,671,977,125,010,876
  5. Step 5: Solve for x
    x = 9,671,977,125,010,876/88,715,631.20
  6. Step 6: Final answer
    x = 109,022,243.25

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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.