Home / 250,982,891.82-346,364,791.54-139,478,432.36

Finding the Fourth Proportional to 250,982,891.82, 346,364,791.54 and 139,478,432.36

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Solution

The fourth proportional to 250,982,891.82, 346,364,791.54 and 139,478,432.36 is: 192,484,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,982,891.82 : 346,364,791.54 = 139,478,432.36 : x
  2. Step 2: Convert to fraction form
    250,982,891.82/346,364,791.54 = 139,478,432.36/x
  3. Step 3: Cross multiply
    250,982,891.82x = 346,364,791.54 × 139,478,432.36
  4. Step 4: Simplify right side
    250,982,891.82x = 48,310,418,146,616,872
  5. Step 5: Solve for x
    x = 48,310,418,146,616,872/250,982,891.82
  6. Step 6: Final answer
    x = 192,484,905.23

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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.