Home / 57,493,540.80-86,240,311.20-37,086,206.40

Finding the Fourth Proportional to 57,493,540.80, 86,240,311.20 and 37,086,206.40

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Solution

The fourth proportional to 57,493,540.80, 86,240,311.20 and 37,086,206.40 is: 55,629,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,493,540.80 : 86,240,311.20 = 37,086,206.40 : x
  2. Step 2: Convert to fraction form
    57,493,540.80/86,240,311.20 = 37,086,206.40/x
  3. Step 3: Cross multiply
    57,493,540.80x = 86,240,311.20 × 37,086,206.40
  4. Step 4: Simplify right side
    57,493,540.80x = 3,198,325,981,163,431.50
  5. Step 5: Solve for x
    x = 3,198,325,981,163,431.50/57,493,540.80
  6. Step 6: Final answer
    x = 55,629,309.60

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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.