Home / 140,651,997.77-194,099,756.92-78,772,336.33

Finding the Fourth Proportional to 140,651,997.77, 194,099,756.92 and 78,772,336.33

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Solution

The fourth proportional to 140,651,997.77, 194,099,756.92 and 78,772,336.33 is: 108,705,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,651,997.77 : 194,099,756.92 = 78,772,336.33 : x
  2. Step 2: Convert to fraction form
    140,651,997.77/194,099,756.92 = 78,772,336.33/x
  3. Step 3: Cross multiply
    140,651,997.77x = 194,099,756.92 × 78,772,336.33
  4. Step 4: Simplify right side
    140,651,997.77x = 15,289,691,332,991,304
  5. Step 5: Solve for x
    x = 15,289,691,332,991,304/140,651,997.77
  6. Step 6: Final answer
    x = 108,705,824.13

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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.