Home / 49,806,640.80-68,707,025.28-40,524,589.98

Finding the Fourth Proportional to 49,806,640.80, 68,707,025.28 and 40,524,589.98

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Solution

The fourth proportional to 49,806,640.80, 68,707,025.28 and 40,524,589.98 is: 55,902,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,806,640.80 : 68,707,025.28 = 40,524,589.98 : x
  2. Step 2: Convert to fraction form
    49,806,640.80/68,707,025.28 = 40,524,589.98/x
  3. Step 3: Cross multiply
    49,806,640.80x = 68,707,025.28 × 40,524,589.98
  4. Step 4: Simplify right side
    49,806,640.80x = 2,784,324,028,217,494.50
  5. Step 5: Solve for x
    x = 2,784,324,028,217,494.50/49,806,640.80
  6. Step 6: Final answer
    x = 55,902,666.46

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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.