Home / 300,111,489.24-414,144,960.12-166,155,375.67

Finding the Fourth Proportional to 300,111,489.24, 414,144,960.12 and 166,155,375.67

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Solution

The fourth proportional to 300,111,489.24, 414,144,960.12 and 166,155,375.67 is: 229,289,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,111,489.24 : 414,144,960.12 = 166,155,375.67 : x
  2. Step 2: Convert to fraction form
    300,111,489.24/414,144,960.12 = 166,155,375.67/x
  3. Step 3: Cross multiply
    300,111,489.24x = 414,144,960.12 × 166,155,375.67
  4. Step 4: Simplify right side
    300,111,489.24x = 68,812,411,430,575,760
  5. Step 5: Solve for x
    x = 68,812,411,430,575,760/300,111,489.24
  6. Step 6: Final answer
    x = 229,289,493.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.