Home / 140,250,757.80-193,542,329.70-78,371,604.84

Finding the Fourth Proportional to 140,250,757.80, 193,542,329.70 and 78,371,604.84

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Solution

The fourth proportional to 140,250,757.80, 193,542,329.70 and 78,371,604.84 is: 108,150,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,250,757.80 : 193,542,329.70 = 78,371,604.84 : x
  2. Step 2: Convert to fraction form
    140,250,757.80/193,542,329.70 = 78,371,604.84/x
  3. Step 3: Cross multiply
    140,250,757.80x = 193,542,329.70 × 78,371,604.84
  4. Step 4: Simplify right side
    140,250,757.80x = 15,168,222,983,061,396
  5. Step 5: Solve for x
    x = 15,168,222,983,061,396/140,250,757.80
  6. Step 6: Final answer
    x = 108,150,738.16

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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.