Home / 188,529,860.60-260,167,129.78-109,148,269.66

Finding the Fourth Proportional to 188,529,860.60, 260,167,129.78 and 109,148,269.66

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Solution

The fourth proportional to 188,529,860.60, 260,167,129.78 and 109,148,269.66 is: 150,622,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,529,860.60 : 260,167,129.78 = 109,148,269.66 : x
  2. Step 2: Convert to fraction form
    188,529,860.60/260,167,129.78 = 109,148,269.66/x
  3. Step 3: Cross multiply
    188,529,860.60x = 260,167,129.78 × 109,148,269.66
  4. Step 4: Simplify right side
    188,529,860.60x = 28,396,792,037,895,656
  5. Step 5: Solve for x
    x = 28,396,792,037,895,656/188,529,860.60
  6. Step 6: Final answer
    x = 150,622,251.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.