Home / 204,489,138.60-306,733,707.90-118,183,120.20

Finding the Fourth Proportional to 204,489,138.60, 306,733,707.90 and 118,183,120.20

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Solution

The fourth proportional to 204,489,138.60, 306,733,707.90 and 118,183,120.20 is: 177,274,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,489,138.60 : 306,733,707.90 = 118,183,120.20 : x
  2. Step 2: Convert to fraction form
    204,489,138.60/306,733,707.90 = 118,183,120.20/x
  3. Step 3: Cross multiply
    204,489,138.60x = 306,733,707.90 × 118,183,120.20
  4. Step 4: Simplify right side
    204,489,138.60x = 36,250,746,670,137,384
  5. Step 5: Solve for x
    x = 36,250,746,670,137,384/204,489,138.60
  6. Step 6: Final answer
    x = 177,274,680.30

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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.