Home / 69,087,842.83-103,667,630.12-28,177,295.95

Finding the Fourth Proportional to 69,087,842.83, 103,667,630.12 and 28,177,295.95

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Solution

The fourth proportional to 69,087,842.83, 103,667,630.12 and 28,177,295.95 is: 42,280,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,087,842.83 : 103,667,630.12 = 28,177,295.95 : x
  2. Step 2: Convert to fraction form
    69,087,842.83/103,667,630.12 = 28,177,295.95/x
  3. Step 3: Cross multiply
    69,087,842.83x = 103,667,630.12 × 28,177,295.95
  4. Step 4: Simplify right side
    69,087,842.83x = 2,921,073,494,326,374
  5. Step 5: Solve for x
    x = 2,921,073,494,326,374/69,087,842.83
  6. Step 6: Final answer
    x = 42,280,571.73

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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.