Home / 120,052,708.22-165,659,982.78-66,398,843.42

Finding the Fourth Proportional to 120,052,708.22, 165,659,982.78 and 66,398,843.42

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Solution

The fourth proportional to 120,052,708.22, 165,659,982.78 and 66,398,843.42 is: 91,623,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,052,708.22 : 165,659,982.78 = 66,398,843.42 : x
  2. Step 2: Convert to fraction form
    120,052,708.22/165,659,982.78 = 66,398,843.42/x
  3. Step 3: Cross multiply
    120,052,708.22x = 165,659,982.78 × 66,398,843.42
  4. Step 4: Simplify right side
    120,052,708.22x = 10,999,631,257,611,038
  5. Step 5: Solve for x
    x = 10,999,631,257,611,038/120,052,708.22
  6. Step 6: Final answer
    x = 91,623,349.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.