Home / 151,714,892.81-209,366,552.31-82,100,273.68

Finding the Fourth Proportional to 151,714,892.81, 209,366,552.31 and 82,100,273.68

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Solution

The fourth proportional to 151,714,892.81, 209,366,552.31 and 82,100,273.68 is: 113,298,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,892.81 : 209,366,552.31 = 82,100,273.68 : x
  2. Step 2: Convert to fraction form
    151,714,892.81/209,366,552.31 = 82,100,273.68/x
  3. Step 3: Cross multiply
    151,714,892.81x = 209,366,552.31 × 82,100,273.68
  4. Step 4: Simplify right side
    151,714,892.81x = 17,189,051,243,042,204
  5. Step 5: Solve for x
    x = 17,189,051,243,042,204/151,714,892.81
  6. Step 6: Final answer
    x = 113,298,377.80

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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.