Home / 281,898,131.88-388,932,238.98-164,340,250.92

Finding the Fourth Proportional to 281,898,131.88, 388,932,238.98 and 164,340,250.92

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Solution

The fourth proportional to 281,898,131.88, 388,932,238.98 and 164,340,250.92 is: 226,738,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,898,131.88 : 388,932,238.98 = 164,340,250.92 : x
  2. Step 2: Convert to fraction form
    281,898,131.88/388,932,238.98 = 164,340,250.92/x
  3. Step 3: Cross multiply
    281,898,131.88x = 388,932,238.98 × 164,340,250.92
  4. Step 4: Simplify right side
    281,898,131.88x = 63,917,221,744,850,600
  5. Step 5: Solve for x
    x = 63,917,221,744,850,600/281,898,131.88
  6. Step 6: Final answer
    x = 226,738,720.54

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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.