Home / 49,806,862.80-68,707,331.64-40,524,813.60

Finding the Fourth Proportional to 49,806,862.80, 68,707,331.64 and 40,524,813.60

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Solution

The fourth proportional to 49,806,862.80, 68,707,331.64 and 40,524,813.60 is: 55,902,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,806,862.80 : 68,707,331.64 = 40,524,813.60 : x
  2. Step 2: Convert to fraction form
    49,806,862.80/68,707,331.64 = 40,524,813.60/x
  3. Step 3: Cross multiply
    49,806,862.80x = 68,707,331.64 × 40,524,813.60
  4. Step 4: Simplify right side
    49,806,862.80x = 2,784,351,807,664,382.50
  5. Step 5: Solve for x
    x = 2,784,351,807,664,382.50/49,806,862.80
  6. Step 6: Final answer
    x = 55,902,975.03

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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.