Home / 100,800,806.20-151,094,921.10-39,366,226.60

Finding the Fourth Proportional to 100,800,806.20, 151,094,921.10 and 39,366,226.60

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Solution

The fourth proportional to 100,800,806.20, 151,094,921.10 and 39,366,226.60 is: 59,007,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,800,806.20 : 151,094,921.10 = 39,366,226.60 : x
  2. Step 2: Convert to fraction form
    100,800,806.20/151,094,921.10 = 39,366,226.60/x
  3. Step 3: Cross multiply
    100,800,806.20x = 151,094,921.10 × 39,366,226.60
  4. Step 4: Simplify right side
    100,800,806.20x = 5,948,036,902,131,721
  5. Step 5: Solve for x
    x = 5,948,036,902,131,721/100,800,806.20
  6. Step 6: Final answer
    x = 59,007,830.65

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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.