Home / 131,317,687.57-196,986,700.11-43,879,507.33

Finding the Fourth Proportional to 131,317,687.57, 196,986,700.11 and 43,879,507.33

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Solution

The fourth proportional to 131,317,687.57, 196,986,700.11 and 43,879,507.33 is: 65,822,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,317,687.57 : 196,986,700.11 = 43,879,507.33 : x
  2. Step 2: Convert to fraction form
    131,317,687.57/196,986,700.11 = 43,879,507.33/x
  3. Step 3: Cross multiply
    131,317,687.57x = 196,986,700.11 × 43,879,507.33
  4. Step 4: Simplify right side
    131,317,687.57x = 8,643,679,351,389,257
  5. Step 5: Solve for x
    x = 8,643,679,351,389,257/131,317,687.57
  6. Step 6: Final answer
    x = 65,822,658.86

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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.