Home / 141,922,724.48-195,852,991.84-79,198,163.88

Finding the Fourth Proportional to 141,922,724.48, 195,852,991.84 and 79,198,163.88

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Solution

The fourth proportional to 141,922,724.48, 195,852,991.84 and 79,198,163.88 is: 109,293,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,922,724.48 : 195,852,991.84 = 79,198,163.88 : x
  2. Step 2: Convert to fraction form
    141,922,724.48/195,852,991.84 = 79,198,163.88/x
  3. Step 3: Cross multiply
    141,922,724.48x = 195,852,991.84 × 79,198,163.88
  4. Step 4: Simplify right side
    141,922,724.48x = 15,511,197,344,132,622
  5. Step 5: Solve for x
    x = 15,511,197,344,132,622/141,922,724.48
  6. Step 6: Final answer
    x = 109,293,260.83

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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.