Home / 248,914,418.66-343,501,960.01-137,405,324.26

Finding the Fourth Proportional to 248,914,418.66, 343,501,960.01 and 137,405,324.26

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Solution

The fourth proportional to 248,914,418.66, 343,501,960.01 and 137,405,324.26 is: 189,619,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,914,418.66 : 343,501,960.01 = 137,405,324.26 : x
  2. Step 2: Convert to fraction form
    248,914,418.66/343,501,960.01 = 137,405,324.26/x
  3. Step 3: Cross multiply
    248,914,418.66x = 343,501,960.01 × 137,405,324.26
  4. Step 4: Simplify right side
    248,914,418.66x = 47,198,998,199,119,600
  5. Step 5: Solve for x
    x = 47,198,998,199,119,600/248,914,418.66
  6. Step 6: Final answer
    x = 189,619,381.85

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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.