Home / 193,995,544.91-290,990,576.59-90,306,755.71

Finding the Fourth Proportional to 193,995,544.91, 290,990,576.59 and 90,306,755.71

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Solution

The fourth proportional to 193,995,544.91, 290,990,576.59 and 90,306,755.71 is: 135,458,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,995,544.91 : 290,990,576.59 = 90,306,755.71 : x
  2. Step 2: Convert to fraction form
    193,995,544.91/290,990,576.59 = 90,306,755.71/x
  3. Step 3: Cross multiply
    193,995,544.91x = 290,990,576.59 × 90,306,755.71
  4. Step 4: Simplify right side
    193,995,544.91x = 26,278,414,913,071,928
  5. Step 5: Solve for x
    x = 26,278,414,913,071,928/193,995,544.91
  6. Step 6: Final answer
    x = 135,458,857.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.