Home / 81,187,796.89-112,039,992.30-44,018,149.05

Finding the Fourth Proportional to 81,187,796.89, 112,039,992.30 and 44,018,149.05

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Solution

The fourth proportional to 81,187,796.89, 112,039,992.30 and 44,018,149.05 is: 60,745,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,187,796.89 : 112,039,992.30 = 44,018,149.05 : x
  2. Step 2: Convert to fraction form
    81,187,796.89/112,039,992.30 = 44,018,149.05/x
  3. Step 3: Cross multiply
    81,187,796.89x = 112,039,992.30 × 44,018,149.05
  4. Step 4: Simplify right side
    81,187,796.89x = 4,931,793,080,787,320
  5. Step 5: Solve for x
    x = 4,931,793,080,787,320/81,187,796.89
  6. Step 6: Final answer
    x = 60,745,497.10

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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.