Home / 271,428,979.58-406,957,598.55-138,223,989.44

Finding the Fourth Proportional to 271,428,979.58, 406,957,598.55 and 138,223,989.44

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Solution

The fourth proportional to 271,428,979.58, 406,957,598.55 and 138,223,989.44 is: 207,241,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,428,979.58 : 406,957,598.55 = 138,223,989.44 : x
  2. Step 2: Convert to fraction form
    271,428,979.58/406,957,598.55 = 138,223,989.44/x
  3. Step 3: Cross multiply
    271,428,979.58x = 406,957,598.55 × 138,223,989.44
  4. Step 4: Simplify right side
    271,428,979.58x = 56,251,302,802,794,448
  5. Step 5: Solve for x
    x = 56,251,302,802,794,448/271,428,979.58
  6. Step 6: Final answer
    x = 207,241,330.27

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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.