Home / 221,456,273.46-305,618,942.48-127,370,446.49

Finding the Fourth Proportional to 221,456,273.46, 305,618,942.48 and 127,370,446.49

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Solution

The fourth proportional to 221,456,273.46, 305,618,942.48 and 127,370,446.49 is: 175,776,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,456,273.46 : 305,618,942.48 = 127,370,446.49 : x
  2. Step 2: Convert to fraction form
    221,456,273.46/305,618,942.48 = 127,370,446.49/x
  3. Step 3: Cross multiply
    221,456,273.46x = 305,618,942.48 × 127,370,446.49
  4. Step 4: Simplify right side
    221,456,273.46x = 38,926,821,159,479,232
  5. Step 5: Solve for x
    x = 38,926,821,159,479,232/221,456,273.46
  6. Step 6: Final answer
    x = 175,776,556.48

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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.