Home / 49,171,957.20-73,757,935.80-20,801,422.80

Finding the Fourth Proportional to 49,171,957.20, 73,757,935.80 and 20,801,422.80

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Solution

The fourth proportional to 49,171,957.20, 73,757,935.80 and 20,801,422.80 is: 31,202,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,171,957.20 : 73,757,935.80 = 20,801,422.80 : x
  2. Step 2: Convert to fraction form
    49,171,957.20/73,757,935.80 = 20,801,422.80/x
  3. Step 3: Cross multiply
    49,171,957.20x = 73,757,935.80 × 20,801,422.80
  4. Step 4: Simplify right side
    49,171,957.20x = 1,534,270,007,431,056.25
  5. Step 5: Solve for x
    x = 1,534,270,007,431,056.25/49,171,957.20
  6. Step 6: Final answer
    x = 31,202,134.20

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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.