Home / 188,972,326.56-260,781,808.52-102,052,198.56

Finding the Fourth Proportional to 188,972,326.56, 260,781,808.52 and 102,052,198.56

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Solution

The fourth proportional to 188,972,326.56, 260,781,808.52 and 102,052,198.56 is: 140,832,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,972,326.56 : 260,781,808.52 = 102,052,198.56 : x
  2. Step 2: Convert to fraction form
    188,972,326.56/260,781,808.52 = 102,052,198.56/x
  3. Step 3: Cross multiply
    188,972,326.56x = 260,781,808.52 × 102,052,198.56
  4. Step 4: Simplify right side
    188,972,326.56x = 26,613,356,903,918,940
  5. Step 5: Solve for x
    x = 26,613,356,903,918,940/188,972,326.56
  6. Step 6: Final answer
    x = 140,832,032.86

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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.