Home / 51,589,964.88-71,192,683.44-28,385,107.56

Finding the Fourth Proportional to 51,589,964.88, 71,192,683.44 and 28,385,107.56

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Solution

The fourth proportional to 51,589,964.88, 71,192,683.44 and 28,385,107.56 is: 39,170,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,589,964.88 : 71,192,683.44 = 28,385,107.56 : x
  2. Step 2: Convert to fraction form
    51,589,964.88/71,192,683.44 = 28,385,107.56/x
  3. Step 3: Cross multiply
    51,589,964.88x = 71,192,683.44 × 28,385,107.56
  4. Step 4: Simplify right side
    51,589,964.88x = 2,020,811,976,929,430.75
  5. Step 5: Solve for x
    x = 2,020,811,976,929,430.75/51,589,964.88
  6. Step 6: Final answer
    x = 39,170,640.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.