Home / 298,135,540.40-411,436,853.16-164,187,739.04

Finding the Fourth Proportional to 298,135,540.40, 411,436,853.16 and 164,187,739.04

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Solution

The fourth proportional to 298,135,540.40, 411,436,853.16 and 164,187,739.04 is: 226,584,480.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,135,540.40 : 411,436,853.16 = 164,187,739.04 : x
  2. Step 2: Convert to fraction form
    298,135,540.40/411,436,853.16 = 164,187,739.04/x
  3. Step 3: Cross multiply
    298,135,540.40x = 411,436,853.16 × 164,187,739.04
  4. Step 4: Simplify right side
    298,135,540.40x = 67,552,886,678,072,880
  5. Step 5: Solve for x
    x = 67,552,886,678,072,880/298,135,540.40
  6. Step 6: Final answer
    x = 226,584,480.96

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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.