Home / 263,190,672.72-394,898,920.44-101,745,982.80

Finding the Fourth Proportional to 263,190,672.72, 394,898,920.44 and 101,745,982.80

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Solution

The fourth proportional to 263,190,672.72, 394,898,920.44 and 101,745,982.80 is: 152,662,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,190,672.72 : 394,898,920.44 = 101,745,982.80 : x
  2. Step 2: Convert to fraction form
    263,190,672.72/394,898,920.44 = 101,745,982.80/x
  3. Step 3: Cross multiply
    263,190,672.72x = 394,898,920.44 × 101,745,982.80
  4. Step 4: Simplify right side
    263,190,672.72x = 40,179,378,766,826,808
  5. Step 5: Solve for x
    x = 40,179,378,766,826,808/263,190,672.72
  6. Step 6: Final answer
    x = 152,662,624.22

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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.