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Finding the Fourth Proportional to 224,503,793.40, 336,503,747.70 and 127,505,969.40

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Solution

The fourth proportional to 224,503,793.40, 336,503,747.70 and 127,505,969.40 is: 191,115,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,503,793.40 : 336,503,747.70 = 127,505,969.40 : x
  2. Step 2: Convert to fraction form
    224,503,793.40/336,503,747.70 = 127,505,969.40/x
  3. Step 3: Cross multiply
    224,503,793.40x = 336,503,747.70 × 127,505,969.40
  4. Step 4: Simplify right side
    224,503,793.40x = 42,906,236,557,221,520
  5. Step 5: Solve for x
    x = 42,906,236,557,221,520/224,503,793.40
  6. Step 6: Final answer
    x = 191,115,864.49

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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.