Home / 269,233,480.80-403,850,221.20-140,093,317.80

Finding the Fourth Proportional to 269,233,480.80, 403,850,221.20 and 140,093,317.80

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Solution

The fourth proportional to 269,233,480.80, 403,850,221.20 and 140,093,317.80 is: 210,139,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,233,480.80 : 403,850,221.20 = 140,093,317.80 : x
  2. Step 2: Convert to fraction form
    269,233,480.80/403,850,221.20 = 140,093,317.80/x
  3. Step 3: Cross multiply
    269,233,480.80x = 403,850,221.20 × 140,093,317.80
  4. Step 4: Simplify right side
    269,233,480.80x = 56,576,717,382,171,904
  5. Step 5: Solve for x
    x = 56,576,717,382,171,904/269,233,480.80
  6. Step 6: Final answer
    x = 210,139,976.70

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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.