Home / 49,866,270.15-68,821,800.78-28,954,139.70

Finding the Fourth Proportional to 49,866,270.15, 68,821,800.78 and 28,954,139.70

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Solution

The fourth proportional to 49,866,270.15, 68,821,800.78 and 28,954,139.70 is: 39,960,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,866,270.15 : 68,821,800.78 = 28,954,139.70 : x
  2. Step 2: Convert to fraction form
    49,866,270.15/68,821,800.78 = 28,954,139.70/x
  3. Step 3: Cross multiply
    49,866,270.15x = 68,821,800.78 × 28,954,139.70
  4. Step 4: Simplify right side
    49,866,270.15x = 1,992,676,034,189,689
  5. Step 5: Solve for x
    x = 1,992,676,034,189,689/49,866,270.15
  6. Step 6: Final answer
    x = 39,960,398.65

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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.