Home / 248,816,556.82-343,366,996.13-138,808,269.82

Finding the Fourth Proportional to 248,816,556.82, 343,366,996.13 and 138,808,269.82

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Solution

The fourth proportional to 248,816,556.82, 343,366,996.13 and 138,808,269.82 is: 191,555,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,816,556.82 : 343,366,996.13 = 138,808,269.82 : x
  2. Step 2: Convert to fraction form
    248,816,556.82/343,366,996.13 = 138,808,269.82/x
  3. Step 3: Cross multiply
    248,816,556.82x = 343,366,996.13 × 138,808,269.82
  4. Step 4: Simplify right side
    248,816,556.82x = 47,662,178,643,685,056
  5. Step 5: Solve for x
    x = 47,662,178,643,685,056/248,816,556.82
  6. Step 6: Final answer
    x = 191,555,494.75

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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.