Home / 53,217,791.70-79,826,687.55-17,315,999.70

Finding the Fourth Proportional to 53,217,791.70, 79,826,687.55 and 17,315,999.70

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Solution

The fourth proportional to 53,217,791.70, 79,826,687.55 and 17,315,999.70 is: 25,973,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217,791.70 : 79,826,687.55 = 17,315,999.70 : x
  2. Step 2: Convert to fraction form
    53,217,791.70/79,826,687.55 = 17,315,999.70/x
  3. Step 3: Cross multiply
    53,217,791.70x = 79,826,687.55 × 17,315,999.70
  4. Step 4: Simplify right side
    53,217,791.70x = 1,382,278,897,667,793.50
  5. Step 5: Solve for x
    x = 1,382,278,897,667,793.50/53,217,791.70
  6. Step 6: Final answer
    x = 25,973,999.55

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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.