Home / 43,110,144.09-64,664,606.97-20,068,190.91

Finding the Fourth Proportional to 43,110,144.09, 64,664,606.97 and 20,068,190.91

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Solution

The fourth proportional to 43,110,144.09, 64,664,606.97 and 20,068,190.91 is: 30,102,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,110,144.09 : 64,664,606.97 = 20,068,190.91 : x
  2. Step 2: Convert to fraction form
    43,110,144.09/64,664,606.97 = 20,068,190.91/x
  3. Step 3: Cross multiply
    43,110,144.09x = 64,664,606.97 × 20,068,190.91
  4. Step 4: Simplify right side
    43,110,144.09x = 1,297,701,677,794,076.75
  5. Step 5: Solve for x
    x = 1,297,701,677,794,076.75/43,110,144.09
  6. Step 6: Final answer
    x = 30,102,002.79

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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.