Home / 168,023,138.40-252,034,707.60-98,864,949.60

Finding the Fourth Proportional to 168,023,138.40, 252,034,707.60 and 98,864,949.60

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Solution

The fourth proportional to 168,023,138.40, 252,034,707.60 and 98,864,949.60 is: 148,297,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,023,138.40 : 252,034,707.60 = 98,864,949.60 : x
  2. Step 2: Convert to fraction form
    168,023,138.40/252,034,707.60 = 98,864,949.60/x
  3. Step 3: Cross multiply
    168,023,138.40x = 252,034,707.60 × 98,864,949.60
  4. Step 4: Simplify right side
    168,023,138.40x = 24,917,398,664,324,736
  5. Step 5: Solve for x
    x = 24,917,398,664,324,736/168,023,138.40
  6. Step 6: Final answer
    x = 148,297,424.40

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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.