Home / 68,596,721.88-102,816,809.46-27,629,940.12

Finding the Fourth Proportional to 68,596,721.88, 102,816,809.46 and 27,629,940.12

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Solution

The fourth proportional to 68,596,721.88, 102,816,809.46 and 27,629,940.12 is: 41,413,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,596,721.88 : 102,816,809.46 = 27,629,940.12 : x
  2. Step 2: Convert to fraction form
    68,596,721.88/102,816,809.46 = 27,629,940.12/x
  3. Step 3: Cross multiply
    68,596,721.88x = 102,816,809.46 × 27,629,940.12
  4. Step 4: Simplify right side
    68,596,721.88x = 2,840,822,288,709,249.50
  5. Step 5: Solve for x
    x = 2,840,822,288,709,249.50/68,596,721.88
  6. Step 6: Final answer
    x = 41,413,382.61

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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.