Home / 263,056,005.20-394,584,007.80-68,967,045.20

Finding the Fourth Proportional to 263,056,005.20, 394,584,007.80 and 68,967,045.20

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Solution

The fourth proportional to 263,056,005.20, 394,584,007.80 and 68,967,045.20 is: 103,450,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,056,005.20 : 394,584,007.80 = 68,967,045.20 : x
  2. Step 2: Convert to fraction form
    263,056,005.20/394,584,007.80 = 68,967,045.20/x
  3. Step 3: Cross multiply
    263,056,005.20x = 394,584,007.80 × 68,967,045.20
  4. Step 4: Simplify right side
    263,056,005.20x = 27,213,293,101,139,756
  5. Step 5: Solve for x
    x = 27,213,293,101,139,756/263,056,005.20
  6. Step 6: Final answer
    x = 103,450,567.80

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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.