Home / 248,062,399.71-372,149,657.07-82,065,515.30

Finding the Fourth Proportional to 248,062,399.71, 372,149,657.07 and 82,065,515.30

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Solution

The fourth proportional to 248,062,399.71, 372,149,657.07 and 82,065,515.30 is: 123,116,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,062,399.71 : 372,149,657.07 = 82,065,515.30 : x
  2. Step 2: Convert to fraction form
    248,062,399.71/372,149,657.07 = 82,065,515.30/x
  3. Step 3: Cross multiply
    248,062,399.71x = 372,149,657.07 × 82,065,515.30
  4. Step 4: Simplify right side
    248,062,399.71x = 30,540,653,376,167,836
  5. Step 5: Solve for x
    x = 30,540,653,376,167,836/248,062,399.71
  6. Step 6: Final answer
    x = 123,116,818.24

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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.