Home / 80,178,995.75-110,647,016.75-43,509,566.75

Finding the Fourth Proportional to 80,178,995.75, 110,647,016.75 and 43,509,566.75

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Solution

The fourth proportional to 80,178,995.75, 110,647,016.75 and 43,509,566.75 is: 60,043,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178,995.75 : 110,647,016.75 = 43,509,566.75 : x
  2. Step 2: Convert to fraction form
    80,178,995.75/110,647,016.75 = 43,509,566.75/x
  3. Step 3: Cross multiply
    80,178,995.75x = 110,647,016.75 × 43,509,566.75
  4. Step 4: Simplify right side
    80,178,995.75x = 4,814,203,760,528,031
  5. Step 5: Solve for x
    x = 4,814,203,760,528,031/80,178,995.75
  6. Step 6: Final answer
    x = 60,043,203.53

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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.