Home / 82,369,009.42-123,560,694.99-27,020,249.39

Finding the Fourth Proportional to 82,369,009.42, 123,560,694.99 and 27,020,249.39

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Solution

The fourth proportional to 82,369,009.42, 123,560,694.99 and 27,020,249.39 is: 40,532,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,369,009.42 : 123,560,694.99 = 27,020,249.39 : x
  2. Step 2: Convert to fraction form
    82,369,009.42/123,560,694.99 = 27,020,249.39/x
  3. Step 3: Cross multiply
    82,369,009.42x = 123,560,694.99 × 27,020,249.39
  4. Step 4: Simplify right side
    82,369,009.42x = 3,338,640,793,740,425
  5. Step 5: Solve for x
    x = 3,338,640,793,740,425/82,369,009.42
  6. Step 6: Final answer
    x = 40,532,729.69

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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.