Home / 193,609,049.20-290,413,573.80-91,572,377.20

Finding the Fourth Proportional to 193,609,049.20, 290,413,573.80 and 91,572,377.20

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Solution

The fourth proportional to 193,609,049.20, 290,413,573.80 and 91,572,377.20 is: 137,358,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,609,049.20 : 290,413,573.80 = 91,572,377.20 : x
  2. Step 2: Convert to fraction form
    193,609,049.20/290,413,573.80 = 91,572,377.20/x
  3. Step 3: Cross multiply
    193,609,049.20x = 290,413,573.80 × 91,572,377.20
  4. Step 4: Simplify right side
    193,609,049.20x = 26,593,861,324,013,640
  5. Step 5: Solve for x
    x = 26,593,861,324,013,640/193,609,049.20
  6. Step 6: Final answer
    x = 137,358,565.80

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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.