Home / 219,631,039.62-329,105,958.66-127,285,733.58

Finding the Fourth Proportional to 219,631,039.62, 329,105,958.66 and 127,285,733.58

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Solution

The fourth proportional to 219,631,039.62, 329,105,958.66 and 127,285,733.58 is: 190,731,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,631,039.62 : 329,105,958.66 = 127,285,733.58 : x
  2. Step 2: Convert to fraction form
    219,631,039.62/329,105,958.66 = 127,285,733.58/x
  3. Step 3: Cross multiply
    219,631,039.62x = 329,105,958.66 × 127,285,733.58
  4. Step 4: Simplify right side
    219,631,039.62x = 41,890,493,373,587,256
  5. Step 5: Solve for x
    x = 41,890,493,373,587,256/219,631,039.62
  6. Step 6: Final answer
    x = 190,731,207.42

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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.