Home / 69,087,843.33-103,667,630.88-28,177,296.45

Finding the Fourth Proportional to 69,087,843.33, 103,667,630.88 and 28,177,296.45

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Solution

The fourth proportional to 69,087,843.33, 103,667,630.88 and 28,177,296.45 is: 42,280,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,087,843.33 : 103,667,630.88 = 28,177,296.45 : x
  2. Step 2: Convert to fraction form
    69,087,843.33/103,667,630.88 = 28,177,296.45/x
  3. Step 3: Cross multiply
    69,087,843.33x = 103,667,630.88 × 28,177,296.45
  4. Step 4: Simplify right side
    69,087,843.33x = 2,921,073,567,574,934
  5. Step 5: Solve for x
    x = 2,921,073,567,574,934/69,087,843.33
  6. Step 6: Final answer
    x = 42,280,572.48

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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.