Home / 248,062,385.55-372,149,635.75-82,065,501.03

Finding the Fourth Proportional to 248,062,385.55, 372,149,635.75 and 82,065,501.03

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Solution

The fourth proportional to 248,062,385.55, 372,149,635.75 and 82,065,501.03 is: 123,116,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,062,385.55 : 372,149,635.75 = 82,065,501.03 : x
  2. Step 2: Convert to fraction form
    248,062,385.55/372,149,635.75 = 82,065,501.03/x
  3. Step 3: Cross multiply
    248,062,385.55x = 372,149,635.75 × 82,065,501.03
  4. Step 4: Simplify right side
    248,062,385.55x = 30,540,646,317,146,148
  5. Step 5: Solve for x
    x = 30,540,646,317,146,148/248,062,385.55
  6. Step 6: Final answer
    x = 123,116,796.81

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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.