Home / 109,134,638.80-163,701,958.20-51,739,010.80

Finding the Fourth Proportional to 109,134,638.80, 163,701,958.20 and 51,739,010.80

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Solution

The fourth proportional to 109,134,638.80, 163,701,958.20 and 51,739,010.80 is: 77,608,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,134,638.80 : 163,701,958.20 = 51,739,010.80 : x
  2. Step 2: Convert to fraction form
    109,134,638.80/163,701,958.20 = 51,739,010.80/x
  3. Step 3: Cross multiply
    109,134,638.80x = 163,701,958.20 × 51,739,010.80
  4. Step 4: Simplify right side
    109,134,638.80x = 8,469,777,383,290,947
  5. Step 5: Solve for x
    x = 8,469,777,383,290,947/109,134,638.80
  6. Step 6: Final answer
    x = 77,608,516.20

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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.