Home / 105,730,997.41-158,628,970.77-50,469,348.97

Finding the Fourth Proportional to 105,730,997.41, 158,628,970.77 and 50,469,348.97

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Solution

The fourth proportional to 105,730,997.41, 158,628,970.77 and 50,469,348.97 is: 75,719,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,730,997.41 : 158,628,970.77 = 50,469,348.97 : x
  2. Step 2: Convert to fraction form
    105,730,997.41/158,628,970.77 = 50,469,348.97/x
  3. Step 3: Cross multiply
    105,730,997.41x = 158,628,970.77 × 50,469,348.97
  4. Step 4: Simplify right side
    105,730,997.41x = 8,005,900,881,497,568
  5. Step 5: Solve for x
    x = 8,005,900,881,497,568/105,730,997.41
  6. Step 6: Final answer
    x = 75,719,524.81

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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.