Home / 248,062,398.06-372,149,654.45-82,065,513.51

Finding the Fourth Proportional to 248,062,398.06, 372,149,654.45 and 82,065,513.51

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Solution

The fourth proportional to 248,062,398.06, 372,149,654.45 and 82,065,513.51 is: 123,116,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,062,398.06 : 372,149,654.45 = 82,065,513.51 : x
  2. Step 2: Convert to fraction form
    248,062,398.06/372,149,654.45 = 82,065,513.51/x
  3. Step 3: Cross multiply
    248,062,398.06x = 372,149,654.45 × 82,065,513.51
  4. Step 4: Simplify right side
    248,062,398.06x = 30,540,652,494,597,980
  5. Step 5: Solve for x
    x = 30,540,652,494,597,980/248,062,398.06
  6. Step 6: Final answer
    x = 123,116,815.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.