Home / 69,087,841.38-103,667,627.97-28,177,294.50

Finding the Fourth Proportional to 69,087,841.38, 103,667,627.97 and 28,177,294.50

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Solution

The fourth proportional to 69,087,841.38, 103,667,627.97 and 28,177,294.50 is: 42,280,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,087,841.38 : 103,667,627.97 = 28,177,294.50 : x
  2. Step 2: Convert to fraction form
    69,087,841.38/103,667,627.97 = 28,177,294.50/x
  3. Step 3: Cross multiply
    69,087,841.38x = 103,667,627.97 × 28,177,294.50
  4. Step 4: Simplify right side
    69,087,841.38x = 2,921,073,283,427,127
  5. Step 5: Solve for x
    x = 2,921,073,283,427,127/69,087,841.38
  6. Step 6: Final answer
    x = 42,280,569.56

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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.