Home / 188,972,327.57-260,781,809.88-102,052,199.57

Finding the Fourth Proportional to 188,972,327.57, 260,781,809.88 and 102,052,199.57

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Solution

The fourth proportional to 188,972,327.57, 260,781,809.88 and 102,052,199.57 is: 140,832,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,972,327.57 : 260,781,809.88 = 102,052,199.57 : x
  2. Step 2: Convert to fraction form
    188,972,327.57/260,781,809.88 = 102,052,199.57/x
  3. Step 3: Cross multiply
    188,972,327.57x = 260,781,809.88 × 102,052,199.57
  4. Step 4: Simplify right side
    188,972,327.57x = 26,613,357,306,099,556
  5. Step 5: Solve for x
    x = 26,613,357,306,099,556/188,972,327.57
  6. Step 6: Final answer
    x = 140,832,034.24

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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.