Home / 69,707,979.36-96,199,665.72-38,770,385.76

Finding the Fourth Proportional to 69,707,979.36, 96,199,665.72 and 38,770,385.76

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Solution

The fourth proportional to 69,707,979.36, 96,199,665.72 and 38,770,385.76 is: 53,504,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,707,979.36 : 96,199,665.72 = 38,770,385.76 : x
  2. Step 2: Convert to fraction form
    69,707,979.36/96,199,665.72 = 38,770,385.76/x
  3. Step 3: Cross multiply
    69,707,979.36x = 96,199,665.72 × 38,770,385.76
  4. Step 4: Simplify right side
    69,707,979.36x = 3,729,698,149,947,448
  5. Step 5: Solve for x
    x = 3,729,698,149,947,448/69,707,979.36
  6. Step 6: Final answer
    x = 53,504,608.57

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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.