Home / 49,285,808.30-68,016,963.40-28,380,943.82

Finding the Fourth Proportional to 49,285,808.30, 68,016,963.40 and 28,380,943.82

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Solution

The fourth proportional to 49,285,808.30, 68,016,963.40 and 28,380,943.82 is: 39,167,169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,285,808.30 : 68,016,963.40 = 28,380,943.82 : x
  2. Step 2: Convert to fraction form
    49,285,808.30/68,016,963.40 = 28,380,943.82/x
  3. Step 3: Cross multiply
    49,285,808.30x = 68,016,963.40 × 28,380,943.82
  4. Step 4: Simplify right side
    49,285,808.30x = 1,930,385,617,062,396.50
  5. Step 5: Solve for x
    x = 1,930,385,617,062,396.50/49,285,808.30
  6. Step 6: Final answer
    x = 39,167,169.69

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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.