Home / 80,930,664.52-111,684,238.29-43,760,855.80

Finding the Fourth Proportional to 80,930,664.52, 111,684,238.29 and 43,760,855.80

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Solution

The fourth proportional to 80,930,664.52, 111,684,238.29 and 43,760,855.80 is: 60,389,938.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930,664.52 : 111,684,238.29 = 43,760,855.80 : x
  2. Step 2: Convert to fraction form
    80,930,664.52/111,684,238.29 = 43,760,855.80/x
  3. Step 3: Cross multiply
    80,930,664.52x = 111,684,238.29 × 43,760,855.80
  4. Step 4: Simplify right side
    80,930,664.52x = 4,887,397,846,941,529
  5. Step 5: Solve for x
    x = 4,887,397,846,941,529/80,930,664.52
  6. Step 6: Final answer
    x = 60,389,938.42

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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.