Home / 248,212,185.96-372,059,644.38-138,877,057.56

Finding the Fourth Proportional to 248,212,185.96, 372,059,644.38 and 138,877,057.56

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Solution

The fourth proportional to 248,212,185.96, 372,059,644.38 and 138,877,057.56 is: 208,170,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,212,185.96 : 372,059,644.38 = 138,877,057.56 : x
  2. Step 2: Convert to fraction form
    248,212,185.96/372,059,644.38 = 138,877,057.56/x
  3. Step 3: Cross multiply
    248,212,185.96x = 372,059,644.38 × 138,877,057.56
  4. Step 4: Simplify right side
    248,212,185.96x = 51,670,548,648,314,392
  5. Step 5: Solve for x
    x = 51,670,548,648,314,392/248,212,185.96
  6. Step 6: Final answer
    x = 208,170,877.87

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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.