Home / 151,714,998.45-209,366,697.78-82,100,379.24

Finding the Fourth Proportional to 151,714,998.45, 209,366,697.78 and 82,100,379.24

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Solution

The fourth proportional to 151,714,998.45, 209,366,697.78 and 82,100,379.24 is: 113,298,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,998.45 : 209,366,697.78 = 82,100,379.24 : x
  2. Step 2: Convert to fraction form
    151,714,998.45/209,366,697.78 = 82,100,379.24/x
  3. Step 3: Cross multiply
    151,714,998.45x = 209,366,697.78 × 82,100,379.24
  4. Step 4: Simplify right side
    151,714,998.45x = 17,189,085,287,964,466
  5. Step 5: Solve for x
    x = 17,189,085,287,964,466/151,714,998.45
  6. Step 6: Final answer
    x = 113,298,523.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.