Home / 141,181,952.62-194,835,825.96-78,460,694.15

Finding the Fourth Proportional to 141,181,952.62, 194,835,825.96 and 78,460,694.15

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Solution

The fourth proportional to 141,181,952.62, 194,835,825.96 and 78,460,694.15 is: 108,278,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,181,952.62 : 194,835,825.96 = 78,460,694.15 : x
  2. Step 2: Convert to fraction form
    141,181,952.62/194,835,825.96 = 78,460,694.15/x
  3. Step 3: Cross multiply
    141,181,952.62x = 194,835,825.96 × 78,460,694.15
  4. Step 4: Simplify right side
    141,181,952.62x = 15,286,954,150,378,880
  5. Step 5: Solve for x
    x = 15,286,954,150,378,880/141,181,952.62
  6. Step 6: Final answer
    x = 108,278,387.33

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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.