Home / 219,961,906.80-330,155,436.60-133,868,464.80

Finding the Fourth Proportional to 219,961,906.80, 330,155,436.60 and 133,868,464.80

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Solution

The fourth proportional to 219,961,906.80, 330,155,436.60 and 133,868,464.80 is: 200,932,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,961,906.80 : 330,155,436.60 = 133,868,464.80 : x
  2. Step 2: Convert to fraction form
    219,961,906.80/330,155,436.60 = 133,868,464.80/x
  3. Step 3: Cross multiply
    219,961,906.80x = 330,155,436.60 × 133,868,464.80
  4. Step 4: Simplify right side
    219,961,906.80x = 44,197,401,443,015,736
  5. Step 5: Solve for x
    x = 44,197,401,443,015,736/219,961,906.80
  6. Step 6: Final answer
    x = 200,932,070.86

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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.