Home / 213,096,067.80-319,644,101.70-98,304,811.80

Finding the Fourth Proportional to 213,096,067.80, 319,644,101.70 and 98,304,811.80

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Solution

The fourth proportional to 213,096,067.80, 319,644,101.70 and 98,304,811.80 is: 147,457,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,096,067.80 : 319,644,101.70 = 98,304,811.80 : x
  2. Step 2: Convert to fraction form
    213,096,067.80/319,644,101.70 = 98,304,811.80/x
  3. Step 3: Cross multiply
    213,096,067.80x = 319,644,101.70 × 98,304,811.80
  4. Step 4: Simplify right side
    213,096,067.80x = 31,422,553,260,598,556
  5. Step 5: Solve for x
    x = 31,422,553,260,598,556/213,096,067.80
  6. Step 6: Final answer
    x = 147,457,217.70

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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.