Home / 140,555,433.17-193,968,478.71-80,983,805.78

Finding the Fourth Proportional to 140,555,433.17, 193,968,478.71 and 80,983,805.78

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Solution

The fourth proportional to 140,555,433.17, 193,968,478.71 and 80,983,805.78 is: 111,758,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,555,433.17 : 193,968,478.71 = 80,983,805.78 : x
  2. Step 2: Convert to fraction form
    140,555,433.17/193,968,478.71 = 80,983,805.78/x
  3. Step 3: Cross multiply
    140,555,433.17x = 193,968,478.71 × 80,983,805.78
  4. Step 4: Simplify right side
    140,555,433.17x = 15,708,305,606,322,864
  5. Step 5: Solve for x
    x = 15,708,305,606,322,864/140,555,433.17
  6. Step 6: Final answer
    x = 111,758,793.33

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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.