Home / 199,286,823.60-298,930,235.40-167,542,081.20

Finding the Fourth Proportional to 199,286,823.60, 298,930,235.40 and 167,542,081.20

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Solution

The fourth proportional to 199,286,823.60, 298,930,235.40 and 167,542,081.20 is: 251,313,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286,823.60 : 298,930,235.40 = 167,542,081.20 : x
  2. Step 2: Convert to fraction form
    199,286,823.60/298,930,235.40 = 167,542,081.20/x
  3. Step 3: Cross multiply
    199,286,823.60x = 298,930,235.40 × 167,542,081.20
  4. Step 4: Simplify right side
    199,286,823.60x = 50,083,393,772,521,904
  5. Step 5: Solve for x
    x = 50,083,393,772,521,904/199,286,823.60
  6. Step 6: Final answer
    x = 251,313,121.80

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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.