Home / 260,755,725.60-391,133,588.40-131,313,319.20

Finding the Fourth Proportional to 260,755,725.60, 391,133,588.40 and 131,313,319.20

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Solution

The fourth proportional to 260,755,725.60, 391,133,588.40 and 131,313,319.20 is: 196,969,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,755,725.60 : 391,133,588.40 = 131,313,319.20 : x
  2. Step 2: Convert to fraction form
    260,755,725.60/391,133,588.40 = 131,313,319.20/x
  3. Step 3: Cross multiply
    260,755,725.60x = 391,133,588.40 × 131,313,319.20
  4. Step 4: Simplify right side
    260,755,725.60x = 51,361,049,743,410,616
  5. Step 5: Solve for x
    x = 51,361,049,743,410,616/260,755,725.60
  6. Step 6: Final answer
    x = 196,969,978.80

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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.