Home / 90,493,360.20-135,722,521.50-35,161,100.28

Finding the Fourth Proportional to 90,493,360.20, 135,722,521.50 and 35,161,100.28

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Solution

The fourth proportional to 90,493,360.20, 135,722,521.50 and 35,161,100.28 is: 52,734,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,493,360.20 : 135,722,521.50 = 35,161,100.28 : x
  2. Step 2: Convert to fraction form
    90,493,360.20/135,722,521.50 = 35,161,100.28/x
  3. Step 3: Cross multiply
    90,493,360.20x = 135,722,521.50 × 35,161,100.28
  4. Step 4: Simplify right side
    90,493,360.20x = 4,772,153,188,715,956
  5. Step 5: Solve for x
    x = 4,772,153,188,715,956/90,493,360.20
  6. Step 6: Final answer
    x = 52,734,843.51

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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.