Home / 81,082,422.30-111,893,188.18-43,911,847.70

Finding the Fourth Proportional to 81,082,422.30, 111,893,188.18 and 43,911,847.70

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Solution

The fourth proportional to 81,082,422.30, 111,893,188.18 and 43,911,847.70 is: 60,598,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,422.30 : 111,893,188.18 = 43,911,847.70 : x
  2. Step 2: Convert to fraction form
    81,082,422.30/111,893,188.18 = 43,911,847.70/x
  3. Step 3: Cross multiply
    81,082,422.30x = 111,893,188.18 × 43,911,847.70
  4. Step 4: Simplify right side
    81,082,422.30x = 4,913,436,638,027,601
  5. Step 5: Solve for x
    x = 4,913,436,638,027,601/81,082,422.30
  6. Step 6: Final answer
    x = 60,598,049.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.