Home / 141,780,951,481.20-195,658,302,536.32-76,675,378,772.80

Finding the Fourth Proportional to 141,780,951,481.20, 195,658,302,536.32 and 76,675,378,772.80

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Solution

The fourth proportional to 141,780,951,481.20, 195,658,302,536.32 and 76,675,378,772.80 is: 105,812,341,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,780,951,481.20 : 195,658,302,536.32 = 76,675,378,772.80 : x
  2. Step 2: Convert to fraction form
    141,780,951,481.20/195,658,302,536.32 = 76,675,378,772.80/x
  3. Step 3: Cross multiply
    141,780,951,481.20x = 195,658,302,536.32 × 76,675,378,772.80
  4. Step 4: Simplify right side
    141,780,951,481.20x = 15,002,174,457,015,431,069,696
  5. Step 5: Solve for x
    x = 15,002,174,457,015,431,069,696/141,780,951,481.20
  6. Step 6: Final answer
    x = 105,812,341,504.88

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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.