Home / 315,070,118.80-472,392,601.80-167,542,097.20

Finding the Fourth Proportional to 315,070,118.80, 472,392,601.80 and 167,542,097.20

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Solution

The fourth proportional to 315,070,118.80, 472,392,601.80 and 167,542,097.20 is: 251,200,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,070,118.80 : 472,392,601.80 = 167,542,097.20 : x
  2. Step 2: Convert to fraction form
    315,070,118.80/472,392,601.80 = 167,542,097.20/x
  3. Step 3: Cross multiply
    315,070,118.80x = 472,392,601.80 × 167,542,097.20
  4. Step 4: Simplify right side
    315,070,118.80x = 79,145,647,207,336,496
  5. Step 5: Solve for x
    x = 79,145,647,207,336,496/315,070,118.80
  6. Step 6: Final answer
    x = 251,200,105.90

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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.