Home / 245,471,198.86-338,757,436.20-133,969,191.31

Finding the Fourth Proportional to 245,471,198.86, 338,757,436.20 and 133,969,191.31

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Solution

The fourth proportional to 245,471,198.86, 338,757,436.20 and 133,969,191.31 is: 184,881,403.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,471,198.86 : 338,757,436.20 = 133,969,191.31 : x
  2. Step 2: Convert to fraction form
    245,471,198.86/338,757,436.20 = 133,969,191.31/x
  3. Step 3: Cross multiply
    245,471,198.86x = 338,757,436.20 × 133,969,191.31
  4. Step 4: Simplify right side
    245,471,198.86x = 45,383,059,777,962,920
  5. Step 5: Solve for x
    x = 45,383,059,777,962,920/245,471,198.86
  6. Step 6: Final answer
    x = 184,881,403.56

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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.