Home / 79,128,876.27-108,944,059.28-61,702,860.27

Finding the Fourth Proportional to 79,128,876.27, 108,944,059.28 and 61,702,860.27

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Solution

The fourth proportional to 79,128,876.27, 108,944,059.28 and 61,702,860.27 is: 84,952,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,128,876.27 : 108,944,059.28 = 61,702,860.27 : x
  2. Step 2: Convert to fraction form
    79,128,876.27/108,944,059.28 = 61,702,860.27/x
  3. Step 3: Cross multiply
    79,128,876.27x = 108,944,059.28 × 61,702,860.27
  4. Step 4: Simplify right side
    79,128,876.27x = 6,722,160,066,691,923
  5. Step 5: Solve for x
    x = 6,722,160,066,691,923/79,128,876.27
  6. Step 6: Final answer
    x = 84,952,047.64

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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.