Home / 221,971,055.52-332,988,486.14-68,629,069.36

Finding the Fourth Proportional to 221,971,055.52, 332,988,486.14 and 68,629,069.36

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Solution

The fourth proportional to 221,971,055.52, 332,988,486.14 and 68,629,069.36 is: 102,953,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,971,055.52 : 332,988,486.14 = 68,629,069.36 : x
  2. Step 2: Convert to fraction form
    221,971,055.52/332,988,486.14 = 68,629,069.36/x
  3. Step 3: Cross multiply
    221,971,055.52x = 332,988,486.14 × 68,629,069.36
  4. Step 4: Simplify right side
    221,971,055.52x = 22,852,689,911,383,456
  5. Step 5: Solve for x
    x = 22,852,689,911,383,456/221,971,055.52
  6. Step 6: Final answer
    x = 102,953,467.77

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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.