Home / 175,815,128.40-263,722,692.60-89,818,789.20

Finding the Fourth Proportional to 175,815,128.40, 263,722,692.60 and 89,818,789.20

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Solution

The fourth proportional to 175,815,128.40, 263,722,692.60 and 89,818,789.20 is: 134,728,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,815,128.40 : 263,722,692.60 = 89,818,789.20 : x
  2. Step 2: Convert to fraction form
    175,815,128.40/263,722,692.60 = 89,818,789.20/x
  3. Step 3: Cross multiply
    175,815,128.40x = 263,722,692.60 × 89,818,789.20
  4. Step 4: Simplify right side
    175,815,128.40x = 23,687,252,933,895,800
  5. Step 5: Solve for x
    x = 23,687,252,933,895,800/175,815,128.40
  6. Step 6: Final answer
    x = 134,728,183.80

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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.