Home / 269,490,812.46-404,268,489.58-82,720,291.18

Finding the Fourth Proportional to 269,490,812.46, 404,268,489.58 and 82,720,291.18

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Solution

The fourth proportional to 269,490,812.46, 404,268,489.58 and 82,720,291.18 is: 124,090,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,490,812.46 : 404,268,489.58 = 82,720,291.18 : x
  2. Step 2: Convert to fraction form
    269,490,812.46/404,268,489.58 = 82,720,291.18/x
  3. Step 3: Cross multiply
    269,490,812.46x = 404,268,489.58 × 82,720,291.18
  4. Step 4: Simplify right side
    269,490,812.46x = 33,441,207,170,935,052
  5. Step 5: Solve for x
    x = 33,441,207,170,935,052/269,490,812.46
  6. Step 6: Final answer
    x = 124,090,342.32

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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.