Home / 54,337,005,735.92-81,542,739,174.72-18,964,361,143.64

Finding the Fourth Proportional to 54,337,005,735.92, 81,542,739,174.72 and 18,964,361,143.64

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Solution

The fourth proportional to 54,337,005,735.92, 81,542,739,174.72 and 18,964,361,143.64 is: 28,459,535,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337,005,735.92 : 81,542,739,174.72 = 18,964,361,143.64 : x
  2. Step 2: Convert to fraction form
    54,337,005,735.92/81,542,739,174.72 = 18,964,361,143.64/x
  3. Step 3: Cross multiply
    54,337,005,735.92x = 81,542,739,174.72 × 18,964,361,143.64
  4. Step 4: Simplify right side
    54,337,005,735.92x = 1,546,405,954,351,031,123,968
  5. Step 5: Solve for x
    x = 1,546,405,954,351,031,123,968/54,337,005,735.92
  6. Step 6: Final answer
    x = 28,459,535,695.92

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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.