Home / 110,668,435.20-166,002,652.80-109,156,780.80

Finding the Fourth Proportional to 110,668,435.20, 166,002,652.80 and 109,156,780.80

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Solution

The fourth proportional to 110,668,435.20, 166,002,652.80 and 109,156,780.80 is: 163,735,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,435.20 : 166,002,652.80 = 109,156,780.80 : x
  2. Step 2: Convert to fraction form
    110,668,435.20/166,002,652.80 = 109,156,780.80/x
  3. Step 3: Cross multiply
    110,668,435.20x = 166,002,652.80 × 109,156,780.80
  4. Step 4: Simplify right side
    110,668,435.20x = 18,120,315,183,908,108
  5. Step 5: Solve for x
    x = 18,120,315,183,908,108/110,668,435.20
  6. Step 6: Final answer
    x = 163,735,171.20

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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.