Home / 110,395,879.20-165,593,818.80-99,646,336.80

Finding the Fourth Proportional to 110,395,879.20, 165,593,818.80 and 99,646,336.80

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Solution

The fourth proportional to 110,395,879.20, 165,593,818.80 and 99,646,336.80 is: 149,469,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,395,879.20 : 165,593,818.80 = 99,646,336.80 : x
  2. Step 2: Convert to fraction form
    110,395,879.20/165,593,818.80 = 99,646,336.80/x
  3. Step 3: Cross multiply
    110,395,879.20x = 165,593,818.80 × 99,646,336.80
  4. Step 4: Simplify right side
    110,395,879.20x = 16,500,817,440,142,972
  5. Step 5: Solve for x
    x = 16,500,817,440,142,972/110,395,879.20
  6. Step 6: Final answer
    x = 149,469,505.20

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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.