Home / 200,117,436-300,227,906.88-117,189,222.72

Finding the Fourth Proportional to 200,117,436, 300,227,906.88 and 117,189,222.72

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Solution

The fourth proportional to 200,117,436, 300,227,906.88 and 117,189,222.72 is: 175,814,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,117,436 : 300,227,906.88 = 117,189,222.72 : x
  2. Step 2: Convert to fraction form
    200,117,436/300,227,906.88 = 117,189,222.72/x
  3. Step 3: Cross multiply
    200,117,436x = 300,227,906.88 × 117,189,222.72
  4. Step 4: Simplify right side
    200,117,436x = 35,183,475,046,119,740
  5. Step 5: Solve for x
    x = 35,183,475,046,119,740/200,117,436
  6. Step 6: Final answer
    x = 175,814,140.68

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1.5x scale

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.