Home / 226,630,830.40-339,946,245.60-90,413,972.80

Finding the Fourth Proportional to 226,630,830.40, 339,946,245.60 and 90,413,972.80

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Solution

The fourth proportional to 226,630,830.40, 339,946,245.60 and 90,413,972.80 is: 135,620,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,630,830.40 : 339,946,245.60 = 90,413,972.80 : x
  2. Step 2: Convert to fraction form
    226,630,830.40/339,946,245.60 = 90,413,972.80/x
  3. Step 3: Cross multiply
    226,630,830.40x = 339,946,245.60 × 90,413,972.80
  4. Step 4: Simplify right side
    226,630,830.40x = 30,735,890,603,140,520
  5. Step 5: Solve for x
    x = 30,735,890,603,140,520/226,630,830.40
  6. Step 6: Final answer
    x = 135,620,959.20

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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.