Home / 78,933,094,786.35-118,398,348,320.76-25,149,499,757.78

Finding the Fourth Proportional to 78,933,094,786.35, 118,398,348,320.76 and 25,149,499,757.78

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Solution

The fourth proportional to 78,933,094,786.35, 118,398,348,320.76 and 25,149,499,757.78 is: 37,723,837,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,933,094,786.35 : 118,398,348,320.76 = 25,149,499,757.78 : x
  2. Step 2: Convert to fraction form
    78,933,094,786.35/118,398,348,320.76 = 25,149,499,757.78/x
  3. Step 3: Cross multiply
    78,933,094,786.35x = 118,398,348,320.76 × 25,149,499,757.78
  4. Step 4: Simplify right side
    78,933,094,786.35x = 2,977,659,232,414,860,836,864
  5. Step 5: Solve for x
    x = 2,977,659,232,414,860,836,864/78,933,094,786.35
  6. Step 6: Final answer
    x = 37,723,837,390.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.