Home / 72,433,804.80-108,613,382.40-26,972,198.40

Finding the Fourth Proportional to 72,433,804.80, 108,613,382.40 and 26,972,198.40

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Solution

The fourth proportional to 72,433,804.80, 108,613,382.40 and 26,972,198.40 is: 40,444,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,433,804.80 : 108,613,382.40 = 26,972,198.40 : x
  2. Step 2: Convert to fraction form
    72,433,804.80/108,613,382.40 = 26,972,198.40/x
  3. Step 3: Cross multiply
    72,433,804.80x = 108,613,382.40 × 26,972,198.40
  4. Step 4: Simplify right side
    72,433,804.80x = 2,929,541,698,987,868
  5. Step 5: Solve for x
    x = 2,929,541,698,987,868/72,433,804.80
  6. Step 6: Final answer
    x = 40,444,398.95

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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.