Home / 243,201,708.24-335,642,317.68-138,795,494.64

Finding the Fourth Proportional to 243,201,708.24, 335,642,317.68 and 138,795,494.64

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Solution

The fourth proportional to 243,201,708.24, 335,642,317.68 and 138,795,494.64 is: 191,551,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,201,708.24 : 335,642,317.68 = 138,795,494.64 : x
  2. Step 2: Convert to fraction form
    243,201,708.24/335,642,317.68 = 138,795,494.64/x
  3. Step 3: Cross multiply
    243,201,708.24x = 335,642,317.68 × 138,795,494.64
  4. Step 4: Simplify right side
    243,201,708.24x = 46,585,641,504,511,616
  5. Step 5: Solve for x
    x = 46,585,641,504,511,616/243,201,708.24
  6. Step 6: Final answer
    x = 191,551,456.78

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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.