Home / 115,893,505,276.40-173,840,257,914.60-80,629,631,433.20

Finding the Fourth Proportional to 115,893,505,276.40, 173,840,257,914.60 and 80,629,631,433.20

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Solution

The fourth proportional to 115,893,505,276.40, 173,840,257,914.60 and 80,629,631,433.20 is: 120,944,447,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893,505,276.40 : 173,840,257,914.60 = 80,629,631,433.20 : x
  2. Step 2: Convert to fraction form
    115,893,505,276.40/173,840,257,914.60 = 80,629,631,433.20/x
  3. Step 3: Cross multiply
    115,893,505,276.40x = 173,840,257,914.60 × 80,629,631,433.20
  4. Step 4: Simplify right side
    115,893,505,276.40x = 14,016,675,923,906,627,895,296
  5. Step 5: Solve for x
    x = 14,016,675,923,906,627,895,296/115,893,505,276.40
  6. Step 6: Final answer
    x = 120,944,447,149.80

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Double scale
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Similar ratio
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1.5x scale

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.