Home / 263,190,673.72-394,898,921.94-101,745,983.80

Finding the Fourth Proportional to 263,190,673.72, 394,898,921.94 and 101,745,983.80

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Solution

The fourth proportional to 263,190,673.72, 394,898,921.94 and 101,745,983.80 is: 152,662,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,190,673.72 : 394,898,921.94 = 101,745,983.80 : x
  2. Step 2: Convert to fraction form
    263,190,673.72/394,898,921.94 = 101,745,983.80/x
  3. Step 3: Cross multiply
    263,190,673.72x = 394,898,921.94 × 101,745,983.80
  4. Step 4: Simplify right side
    263,190,673.72x = 40,179,379,314,344,704
  5. Step 5: Solve for x
    x = 40,179,379,314,344,704/263,190,673.72
  6. Step 6: Final answer
    x = 152,662,625.72

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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.