Home / 168,930,228.78-253,491,199.99-91,206,096.80

Finding the Fourth Proportional to 168,930,228.78, 253,491,199.99 and 91,206,096.80

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Solution

The fourth proportional to 168,930,228.78, 253,491,199.99 and 91,206,096.80 is: 136,860,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,930,228.78 : 253,491,199.99 = 91,206,096.80 : x
  2. Step 2: Convert to fraction form
    168,930,228.78/253,491,199.99 = 91,206,096.80/x
  3. Step 3: Cross multiply
    168,930,228.78x = 253,491,199.99 × 91,206,096.80
  4. Step 4: Simplify right side
    168,930,228.78x = 23,119,942,922,740,628
  5. Step 5: Solve for x
    x = 23,119,942,922,740,628/168,930,228.78
  6. Step 6: Final answer
    x = 136,860,898.67

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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.