Home / 80,888,657.60-121,332,986.40-32,373,999.20

Finding the Fourth Proportional to 80,888,657.60, 121,332,986.40 and 32,373,999.20

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Solution

The fourth proportional to 80,888,657.60, 121,332,986.40 and 32,373,999.20 is: 48,560,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,888,657.60 : 121,332,986.40 = 32,373,999.20 : x
  2. Step 2: Convert to fraction form
    80,888,657.60/121,332,986.40 = 32,373,999.20/x
  3. Step 3: Cross multiply
    80,888,657.60x = 121,332,986.40 × 32,373,999.20
  4. Step 4: Simplify right side
    80,888,657.60x = 3,928,034,004,647,211
  5. Step 5: Solve for x
    x = 3,928,034,004,647,211/80,888,657.60
  6. Step 6: Final answer
    x = 48,560,998.80

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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.