Home / 57,965,986.80-86,948,980.20-55,131,634.80

Finding the Fourth Proportional to 57,965,986.80, 86,948,980.20 and 55,131,634.80

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Solution

The fourth proportional to 57,965,986.80, 86,948,980.20 and 55,131,634.80 is: 82,697,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965,986.80 : 86,948,980.20 = 55,131,634.80 : x
  2. Step 2: Convert to fraction form
    57,965,986.80/86,948,980.20 = 55,131,634.80/x
  3. Step 3: Cross multiply
    57,965,986.80x = 86,948,980.20 × 55,131,634.80
  4. Step 4: Simplify right side
    57,965,986.80x = 4,793,639,422,618,831
  5. Step 5: Solve for x
    x = 4,793,639,422,618,831/57,965,986.80
  6. Step 6: Final answer
    x = 82,697,452.20

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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.