Home / 100,800,796.20-151,094,906.10-39,366,216.60

Finding the Fourth Proportional to 100,800,796.20, 151,094,906.10 and 39,366,216.60

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Solution

The fourth proportional to 100,800,796.20, 151,094,906.10 and 39,366,216.60 is: 59,007,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,800,796.20 : 151,094,906.10 = 39,366,216.60 : x
  2. Step 2: Convert to fraction form
    100,800,796.20/151,094,906.10 = 39,366,216.60/x
  3. Step 3: Cross multiply
    100,800,796.20x = 151,094,906.10 × 39,366,216.60
  4. Step 4: Simplify right side
    100,800,796.20x = 5,948,034,800,689,261
  5. Step 5: Solve for x
    x = 5,948,034,800,689,261/100,800,796.20
  6. Step 6: Final answer
    x = 59,007,815.66

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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.