Home / 106,812,107.90-160,218,161.85-70,910,315.90

Finding the Fourth Proportional to 106,812,107.90, 160,218,161.85 and 70,910,315.90

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Solution

The fourth proportional to 106,812,107.90, 160,218,161.85 and 70,910,315.90 is: 106,365,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,812,107.90 : 160,218,161.85 = 70,910,315.90 : x
  2. Step 2: Convert to fraction form
    106,812,107.90/160,218,161.85 = 70,910,315.90/x
  3. Step 3: Cross multiply
    106,812,107.90x = 160,218,161.85 × 70,910,315.90
  4. Step 4: Simplify right side
    106,812,107.90x = 11,361,120,469,700,828
  5. Step 5: Solve for x
    x = 11,361,120,469,700,828/106,812,107.90
  6. Step 6: Final answer
    x = 106,365,473.85

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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.