Home / 132,865,600.35-199,298,400.53-78,222,093.15

Finding the Fourth Proportional to 132,865,600.35, 199,298,400.53 and 78,222,093.15

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Solution

The fourth proportional to 132,865,600.35, 199,298,400.53 and 78,222,093.15 is: 117,333,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,865,600.35 : 199,298,400.53 = 78,222,093.15 : x
  2. Step 2: Convert to fraction form
    132,865,600.35/199,298,400.53 = 78,222,093.15/x
  3. Step 3: Cross multiply
    132,865,600.35x = 199,298,400.53 × 78,222,093.15
  4. Step 4: Simplify right side
    132,865,600.35x = 15,589,538,050,512,560
  5. Step 5: Solve for x
    x = 15,589,538,050,512,560/132,865,600.35
  6. Step 6: Final answer
    x = 117,333,139.73

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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.