Home / 327,408,099.80-491,112,149.70-163,671,127.70

Finding the Fourth Proportional to 327,408,099.80, 491,112,149.70 and 163,671,127.70

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Solution

The fourth proportional to 327,408,099.80, 491,112,149.70 and 163,671,127.70 is: 245,506,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,408,099.80 : 491,112,149.70 = 163,671,127.70 : x
  2. Step 2: Convert to fraction form
    327,408,099.80/491,112,149.70 = 163,671,127.70/x
  3. Step 3: Cross multiply
    327,408,099.80x = 491,112,149.70 × 163,671,127.70
  4. Step 4: Simplify right side
    327,408,099.80x = 80,380,879,368,570,208
  5. Step 5: Solve for x
    x = 80,380,879,368,570,208/327,408,099.80
  6. Step 6: Final answer
    x = 245,506,691.55

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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.