Home / 73,145,832.72-109,737,058.94-21,330,441.41

Finding the Fourth Proportional to 73,145,832.72, 109,737,058.94 and 21,330,441.41

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Solution

The fourth proportional to 73,145,832.72, 109,737,058.94 and 21,330,441.41 is: 32,001,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,145,832.72 : 109,737,058.94 = 21,330,441.41 : x
  2. Step 2: Convert to fraction form
    73,145,832.72/109,737,058.94 = 21,330,441.41/x
  3. Step 3: Cross multiply
    73,145,832.72x = 109,737,058.94 × 21,330,441.41
  4. Step 4: Simplify right side
    73,145,832.72x = 2,340,739,905,570,049.50
  5. Step 5: Solve for x
    x = 2,340,739,905,570,049.50/73,145,832.72
  6. Step 6: Final answer
    x = 32,001,001.54

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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.