Home / 82,382,515.20-123,524,446.86-27,793,891.98

Finding the Fourth Proportional to 82,382,515.20, 123,524,446.86 and 27,793,891.98

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Solution

The fourth proportional to 82,382,515.20, 123,524,446.86 and 27,793,891.98 is: 41,674,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,382,515.20 : 123,524,446.86 = 27,793,891.98 : x
  2. Step 2: Convert to fraction form
    82,382,515.20/123,524,446.86 = 27,793,891.98/x
  3. Step 3: Cross multiply
    82,382,515.20x = 123,524,446.86 × 27,793,891.98
  4. Step 4: Simplify right side
    82,382,515.20x = 3,433,225,132,916,090
  5. Step 5: Solve for x
    x = 3,433,225,132,916,090/82,382,515.20
  6. Step 6: Final answer
    x = 41,674,196.58

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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.