Home / 68,829,018.62-103,205,791.41-27,287,811.86

Finding the Fourth Proportional to 68,829,018.62, 103,205,791.41 and 27,287,811.86

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Solution

The fourth proportional to 68,829,018.62, 103,205,791.41 and 27,287,811.86 is: 40,916,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,829,018.62 : 103,205,791.41 = 27,287,811.86 : x
  2. Step 2: Convert to fraction form
    68,829,018.62/103,205,791.41 = 27,287,811.86/x
  3. Step 3: Cross multiply
    68,829,018.62x = 103,205,791.41 × 27,287,811.86
  4. Step 4: Simplify right side
    68,829,018.62x = 2,816,260,218,206,016
  5. Step 5: Solve for x
    x = 2,816,260,218,206,016/68,829,018.62
  6. Step 6: Final answer
    x = 40,916,756.84

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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.