Home / 193,171,214.80-289,756,822.20-131,949,211.60

Finding the Fourth Proportional to 193,171,214.80, 289,756,822.20 and 131,949,211.60

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Solution

The fourth proportional to 193,171,214.80, 289,756,822.20 and 131,949,211.60 is: 197,923,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,171,214.80 : 289,756,822.20 = 131,949,211.60 : x
  2. Step 2: Convert to fraction form
    193,171,214.80/289,756,822.20 = 131,949,211.60/x
  3. Step 3: Cross multiply
    193,171,214.80x = 289,756,822.20 × 131,949,211.60
  4. Step 4: Simplify right side
    193,171,214.80x = 38,233,184,245,011,376
  5. Step 5: Solve for x
    x = 38,233,184,245,011,376/193,171,214.80
  6. Step 6: Final answer
    x = 197,923,817.40

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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.