Home / 112,315,716.60-168,505,067.70-47,650,500.60

Finding the Fourth Proportional to 112,315,716.60, 168,505,067.70 and 47,650,500.60

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Solution

The fourth proportional to 112,315,716.60, 168,505,067.70 and 47,650,500.60 is: 71,489,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,315,716.60 : 168,505,067.70 = 47,650,500.60 : x
  2. Step 2: Convert to fraction form
    112,315,716.60/168,505,067.70 = 47,650,500.60/x
  3. Step 3: Cross multiply
    112,315,716.60x = 168,505,067.70 × 47,650,500.60
  4. Step 4: Simplify right side
    112,315,716.60x = 8,029,350,829,541,890
  5. Step 5: Solve for x
    x = 8,029,350,829,541,890/112,315,716.60
  6. Step 6: Final answer
    x = 71,489,111.88

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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.