Home / 144,260,589.44-199,100,980.32-91,342,215.68

Finding the Fourth Proportional to 144,260,589.44, 199,100,980.32 and 91,342,215.68

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Solution

The fourth proportional to 144,260,589.44, 199,100,980.32 and 91,342,215.68 is: 126,065,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,260,589.44 : 199,100,980.32 = 91,342,215.68 : x
  2. Step 2: Convert to fraction form
    144,260,589.44/199,100,980.32 = 91,342,215.68/x
  3. Step 3: Cross multiply
    144,260,589.44x = 199,100,980.32 × 91,342,215.68
  4. Step 4: Simplify right side
    144,260,589.44x = 18,186,324,686,488,876
  5. Step 5: Solve for x
    x = 18,186,324,686,488,876/144,260,589.44
  6. Step 6: Final answer
    x = 126,065,786.62

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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.