Home / 321,565,626-443,760,782.64-180,417,361.44

Finding the Fourth Proportional to 321,565,626, 443,760,782.64 and 180,417,361.44

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Solution

The fourth proportional to 321,565,626, 443,760,782.64 and 180,417,361.44 is: 248,976,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,565,626 : 443,760,782.64 = 180,417,361.44 : x
  2. Step 2: Convert to fraction form
    321,565,626/443,760,782.64 = 180,417,361.44/x
  3. Step 3: Cross multiply
    321,565,626x = 443,760,782.64 × 180,417,361.44
  4. Step 4: Simplify right side
    321,565,626x = 80,062,149,514,458,160
  5. Step 5: Solve for x
    x = 80,062,149,514,458,160/321,565,626
  6. Step 6: Final answer
    x = 248,976,081.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.