Home / 119,231,879.80-178,847,819.70-118,476,052.60

Finding the Fourth Proportional to 119,231,879.80, 178,847,819.70 and 118,476,052.60

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Solution

The fourth proportional to 119,231,879.80, 178,847,819.70 and 118,476,052.60 is: 177,714,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,231,879.80 : 178,847,819.70 = 118,476,052.60 : x
  2. Step 2: Convert to fraction form
    119,231,879.80/178,847,819.70 = 118,476,052.60/x
  3. Step 3: Cross multiply
    119,231,879.80x = 178,847,819.70 × 118,476,052.60
  4. Step 4: Simplify right side
    119,231,879.80x = 21,189,183,694,172,512
  5. Step 5: Solve for x
    x = 21,189,183,694,172,512/119,231,879.80
  6. Step 6: Final answer
    x = 177,714,078.90

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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.