Home / 248,958,822.30-343,556,336.62-137,447,636.79

Finding the Fourth Proportional to 248,958,822.30, 343,556,336.62 and 137,447,636.79

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Solution

The fourth proportional to 248,958,822.30, 343,556,336.62 and 137,447,636.79 is: 189,673,963.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,958,822.30 : 343,556,336.62 = 137,447,636.79 : x
  2. Step 2: Convert to fraction form
    248,958,822.30/343,556,336.62 = 137,447,636.79/x
  3. Step 3: Cross multiply
    248,958,822.30x = 343,556,336.62 × 137,447,636.79
  4. Step 4: Simplify right side
    248,958,822.30x = 47,221,006,572,648,736
  5. Step 5: Solve for x
    x = 47,221,006,572,648,736/248,958,822.30
  6. Step 6: Final answer
    x = 189,673,963.49

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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.