Home / 168,273,906.60-252,410,859.90-76,157,466.60

Finding the Fourth Proportional to 168,273,906.60, 252,410,859.90 and 76,157,466.60

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Solution

The fourth proportional to 168,273,906.60, 252,410,859.90 and 76,157,466.60 is: 114,236,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,273,906.60 : 252,410,859.90 = 76,157,466.60 : x
  2. Step 2: Convert to fraction form
    168,273,906.60/252,410,859.90 = 76,157,466.60/x
  3. Step 3: Cross multiply
    168,273,906.60x = 252,410,859.90 × 76,157,466.60
  4. Step 4: Simplify right side
    168,273,906.60x = 19,222,971,632,311,528
  5. Step 5: Solve for x
    x = 19,222,971,632,311,528/168,273,906.60
  6. Step 6: Final answer
    x = 114,236,199.90

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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.