Home / 146,167,052.85-219,178,834.35-72,305,493.65

Finding the Fourth Proportional to 146,167,052.85, 219,178,834.35 and 72,305,493.65

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Solution

The fourth proportional to 146,167,052.85, 219,178,834.35 and 72,305,493.65 is: 108,422,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,167,052.85 : 219,178,834.35 = 72,305,493.65 : x
  2. Step 2: Convert to fraction form
    146,167,052.85/219,178,834.35 = 72,305,493.65/x
  3. Step 3: Cross multiply
    146,167,052.85x = 219,178,834.35 × 72,305,493.65
  4. Step 4: Simplify right side
    146,167,052.85x = 15,847,833,814,212,432
  5. Step 5: Solve for x
    x = 15,847,833,814,212,432/146,167,052.85
  6. Step 6: Final answer
    x = 108,422,749.90

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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.