Home / 248,763,699.13-343,304,286.78-137,261,772.22

Finding the Fourth Proportional to 248,763,699.13, 343,304,286.78 and 137,261,772.22

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Solution

The fourth proportional to 248,763,699.13, 343,304,286.78 and 137,261,772.22 is: 189,426,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,763,699.13 : 343,304,286.78 = 137,261,772.22 : x
  2. Step 2: Convert to fraction form
    248,763,699.13/343,304,286.78 = 137,261,772.22/x
  3. Step 3: Cross multiply
    248,763,699.13x = 343,304,286.78 × 137,261,772.22
  4. Step 4: Simplify right side
    248,763,699.13x = 47,122,554,814,145,912
  5. Step 5: Solve for x
    x = 47,122,554,814,145,912/248,763,699.13
  6. Step 6: Final answer
    x = 189,426,974.19

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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.