Home / 150,059,265.72-207,120,716.46-84,906,961.08

Finding the Fourth Proportional to 150,059,265.72, 207,120,716.46 and 84,906,961.08

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Solution

The fourth proportional to 150,059,265.72, 207,120,716.46 and 84,906,961.08 is: 117,193,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,059,265.72 : 207,120,716.46 = 84,906,961.08 : x
  2. Step 2: Convert to fraction form
    150,059,265.72/207,120,716.46 = 84,906,961.08/x
  3. Step 3: Cross multiply
    150,059,265.72x = 207,120,716.46 × 84,906,961.08
  4. Step 4: Simplify right side
    150,059,265.72x = 17,585,990,611,330,936
  5. Step 5: Solve for x
    x = 17,585,990,611,330,936/150,059,265.72
  6. Step 6: Final answer
    x = 117,193,633.64

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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.