Home / 248,763,698.13-343,304,285.40-137,261,771.22

Finding the Fourth Proportional to 248,763,698.13, 343,304,285.40 and 137,261,771.22

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Solution

The fourth proportional to 248,763,698.13, 343,304,285.40 and 137,261,771.22 is: 189,426,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,763,698.13 : 343,304,285.40 = 137,261,771.22 : x
  2. Step 2: Convert to fraction form
    248,763,698.13/343,304,285.40 = 137,261,771.22/x
  3. Step 3: Cross multiply
    248,763,698.13x = 343,304,285.40 × 137,261,771.22
  4. Step 4: Simplify right side
    248,763,698.13x = 47,122,554,281,420,384
  5. Step 5: Solve for x
    x = 47,122,554,281,420,384/248,763,698.13
  6. Step 6: Final answer
    x = 189,426,972.81

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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.