Home / 304,777,627.14-420,628,016.76-170,851,715.43

Finding the Fourth Proportional to 304,777,627.14, 420,628,016.76 and 170,851,715.43

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Solution

The fourth proportional to 304,777,627.14, 420,628,016.76 and 170,851,715.43 is: 235,794,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,777,627.14 : 420,628,016.76 = 170,851,715.43 : x
  2. Step 2: Convert to fraction form
    304,777,627.14/420,628,016.76 = 170,851,715.43/x
  3. Step 3: Cross multiply
    304,777,627.14x = 420,628,016.76 × 170,851,715.43
  4. Step 4: Simplify right side
    304,777,627.14x = 71,865,018,221,364,792
  5. Step 5: Solve for x
    x = 71,865,018,221,364,792/304,777,627.14
  6. Step 6: Final answer
    x = 235,794,926.60

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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.