Home / 80,068,721.94-110,494,998.21-43,399,317.78

Finding the Fourth Proportional to 80,068,721.94, 110,494,998.21 and 43,399,317.78

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Solution

The fourth proportional to 80,068,721.94, 110,494,998.21 and 43,399,317.78 is: 59,891,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,068,721.94 : 110,494,998.21 = 43,399,317.78 : x
  2. Step 2: Convert to fraction form
    80,068,721.94/110,494,998.21 = 43,399,317.78/x
  3. Step 3: Cross multiply
    80,068,721.94x = 110,494,998.21 × 43,399,317.78
  4. Step 4: Simplify right side
    80,068,721.94x = 4,795,407,540,416,321
  5. Step 5: Solve for x
    x = 4,795,407,540,416,321/80,068,721.94
  6. Step 6: Final answer
    x = 59,891,146.31

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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.