Home / 226,630,857.40-339,946,286.10-90,413,999.80

Finding the Fourth Proportional to 226,630,857.40, 339,946,286.10 and 90,413,999.80

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Solution

The fourth proportional to 226,630,857.40, 339,946,286.10 and 90,413,999.80 is: 135,620,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,630,857.40 : 339,946,286.10 = 90,413,999.80 : x
  2. Step 2: Convert to fraction form
    226,630,857.40/339,946,286.10 = 90,413,999.80/x
  3. Step 3: Cross multiply
    226,630,857.40x = 339,946,286.10 × 90,413,999.80
  4. Step 4: Simplify right side
    226,630,857.40x = 30,735,903,443,456,144
  5. Step 5: Solve for x
    x = 30,735,903,443,456,144/226,630,857.40
  6. Step 6: Final answer
    x = 135,620,999.70

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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.