Home / 81,840,301.80-122,760,452.70-33,293,166.45

Finding the Fourth Proportional to 81,840,301.80, 122,760,452.70 and 33,293,166.45

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Solution

The fourth proportional to 81,840,301.80, 122,760,452.70 and 33,293,166.45 is: 49,939,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,840,301.80 : 122,760,452.70 = 33,293,166.45 : x
  2. Step 2: Convert to fraction form
    81,840,301.80/122,760,452.70 = 33,293,166.45/x
  3. Step 3: Cross multiply
    81,840,301.80x = 122,760,452.70 × 33,293,166.45
  4. Step 4: Simplify right side
    81,840,301.80x = 4,087,084,185,218,452
  5. Step 5: Solve for x
    x = 4,087,084,185,218,452/81,840,301.80
  6. Step 6: Final answer
    x = 49,939,749.68

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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.