Home / 81,760,613.76-122,667,492.42-54,577,406.61

Finding the Fourth Proportional to 81,760,613.76, 122,667,492.42 and 54,577,406.61

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Solution

The fourth proportional to 81,760,613.76, 122,667,492.42 and 54,577,406.61 is: 81,883,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,760,613.76 : 122,667,492.42 = 54,577,406.61 : x
  2. Step 2: Convert to fraction form
    81,760,613.76/122,667,492.42 = 54,577,406.61/x
  3. Step 3: Cross multiply
    81,760,613.76x = 122,667,492.42 × 54,577,406.61
  4. Step 4: Simplify right side
    81,760,613.76x = 6,694,873,611,635,433
  5. Step 5: Solve for x
    x = 6,694,873,611,635,433/81,760,613.76
  6. Step 6: Final answer
    x = 81,883,847.29

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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.