Home / 69,788,750.67-104,694,488.19-20,609,578.44

Finding the Fourth Proportional to 69,788,750.67, 104,694,488.19 and 20,609,578.44

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Solution

The fourth proportional to 69,788,750.67, 104,694,488.19 and 20,609,578.44 is: 30,917,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,788,750.67 : 104,694,488.19 = 20,609,578.44 : x
  2. Step 2: Convert to fraction form
    69,788,750.67/104,694,488.19 = 20,609,578.44/x
  3. Step 3: Cross multiply
    69,788,750.67x = 104,694,488.19 × 20,609,578.44
  4. Step 4: Simplify right side
    69,788,750.67x = 2,157,709,266,587,458.75
  5. Step 5: Solve for x
    x = 2,157,709,266,587,458.75/69,788,750.67
  6. Step 6: Final answer
    x = 30,917,723.07

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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.