Home / 151,714,898.56-209,366,560.25-82,100,279.42

Finding the Fourth Proportional to 151,714,898.56, 209,366,560.25 and 82,100,279.42

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Solution

The fourth proportional to 151,714,898.56, 209,366,560.25 and 82,100,279.42 is: 113,298,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,898.56 : 209,366,560.25 = 82,100,279.42 : x
  2. Step 2: Convert to fraction form
    151,714,898.56/209,366,560.25 = 82,100,279.42/x
  3. Step 3: Cross multiply
    151,714,898.56x = 209,366,560.25 × 82,100,279.42
  4. Step 4: Simplify right side
    151,714,898.56x = 17,189,053,097,729,266
  5. Step 5: Solve for x
    x = 17,189,053,097,729,266/151,714,898.56
  6. Step 6: Final answer
    x = 113,298,385.73

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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.