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Finding the Fourth Proportional to 228,662,558.62, 342,801,024.72 and 99,172,640.86

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Solution

The fourth proportional to 228,662,558.62, 342,801,024.72 and 99,172,640.86 is: 148,675,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,662,558.62 : 342,801,024.72 = 99,172,640.86 : x
  2. Step 2: Convert to fraction form
    228,662,558.62/342,801,024.72 = 99,172,640.86/x
  3. Step 3: Cross multiply
    228,662,558.62x = 342,801,024.72 × 99,172,640.86
  4. Step 4: Simplify right side
    228,662,558.62x = 33,996,482,910,996,544
  5. Step 5: Solve for x
    x = 33,996,482,910,996,544/228,662,558.62
  6. Step 6: Final answer
    x = 148,675,336.78

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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.