Home / 270,459,001.96-405,554,166.31-86,202,502.36

Finding the Fourth Proportional to 270,459,001.96, 405,554,166.31 and 86,202,502.36

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Solution

The fourth proportional to 270,459,001.96, 405,554,166.31 and 86,202,502.36 is: 129,260,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,459,001.96 : 405,554,166.31 = 86,202,502.36 : x
  2. Step 2: Convert to fraction form
    270,459,001.96/405,554,166.31 = 86,202,502.36/x
  3. Step 3: Cross multiply
    270,459,001.96x = 405,554,166.31 × 86,202,502.36
  4. Step 4: Simplify right side
    270,459,001.96x = 34,959,783,978,230,100
  5. Step 5: Solve for x
    x = 34,959,783,978,230,100/270,459,001.96
  6. Step 6: Final answer
    x = 129,260,936.87

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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.