Home / 270,394,531.90-405,535,045.91-76,260,546.23

Finding the Fourth Proportional to 270,394,531.90, 405,535,045.91 and 76,260,546.23

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Solution

The fourth proportional to 270,394,531.90, 405,535,045.91 and 76,260,546.23 is: 114,374,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,394,531.90 : 405,535,045.91 = 76,260,546.23 : x
  2. Step 2: Convert to fraction form
    270,394,531.90/405,535,045.91 = 76,260,546.23/x
  3. Step 3: Cross multiply
    270,394,531.90x = 405,535,045.91 × 76,260,546.23
  4. Step 4: Simplify right side
    270,394,531.90x = 30,926,324,114,095,744
  5. Step 5: Solve for x
    x = 30,926,324,114,095,744/270,394,531.90
  6. Step 6: Final answer
    x = 114,374,813.34

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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.