Home / 270,459,004.64-405,554,170.34-86,202,505.04

Finding the Fourth Proportional to 270,459,004.64, 405,554,170.34 and 86,202,505.04

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Solution

The fourth proportional to 270,459,004.64, 405,554,170.34 and 86,202,505.04 is: 129,260,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,459,004.64 : 405,554,170.34 = 86,202,505.04 : x
  2. Step 2: Convert to fraction form
    270,459,004.64/405,554,170.34 = 86,202,505.04/x
  3. Step 3: Cross multiply
    270,459,004.64x = 405,554,170.34 × 86,202,505.04
  4. Step 4: Simplify right side
    270,459,004.64x = 34,959,785,412,726,868
  5. Step 5: Solve for x
    x = 34,959,785,412,726,868/270,459,004.64
  6. Step 6: Final answer
    x = 129,260,940.89

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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.