Home / 81,336,185.20-122,024,944.92-23,043,799.72

Finding the Fourth Proportional to 81,336,185.20, 122,024,944.92 and 23,043,799.72

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Solution

The fourth proportional to 81,336,185.20, 122,024,944.92 and 23,043,799.72 is: 34,571,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336,185.20 : 122,024,944.92 = 23,043,799.72 : x
  2. Step 2: Convert to fraction form
    81,336,185.20/122,024,944.92 = 23,043,799.72/x
  3. Step 3: Cross multiply
    81,336,185.20x = 122,024,944.92 × 23,043,799.72
  4. Step 4: Simplify right side
    81,336,185.20x = 2,811,918,391,580,511.50
  5. Step 5: Solve for x
    x = 2,811,918,391,580,511.50/81,336,185.20
  6. Step 6: Final answer
    x = 34,571,554.89

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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.