Home / 72,577,999.70-108,866,999.55-49,585,922.90

Finding the Fourth Proportional to 72,577,999.70, 108,866,999.55 and 49,585,922.90

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Solution

The fourth proportional to 72,577,999.70, 108,866,999.55 and 49,585,922.90 is: 74,378,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,577,999.70 : 108,866,999.55 = 49,585,922.90 : x
  2. Step 2: Convert to fraction form
    72,577,999.70/108,866,999.55 = 49,585,922.90/x
  3. Step 3: Cross multiply
    72,577,999.70x = 108,866,999.55 × 49,585,922.90
  4. Step 4: Simplify right side
    72,577,999.70x = 5,398,270,646,040,634
  5. Step 5: Solve for x
    x = 5,398,270,646,040,634/72,577,999.70
  6. Step 6: Final answer
    x = 74,378,884.35

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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.