Home / 83,391,144.57-125,102,430.62-31,591,262.25

Finding the Fourth Proportional to 83,391,144.57, 125,102,430.62 and 31,591,262.25

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Solution

The fourth proportional to 83,391,144.57, 125,102,430.62 and 31,591,262.25 is: 47,392,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,391,144.57 : 125,102,430.62 = 31,591,262.25 : x
  2. Step 2: Convert to fraction form
    83,391,144.57/125,102,430.62 = 31,591,262.25/x
  3. Step 3: Cross multiply
    83,391,144.57x = 125,102,430.62 × 31,591,262.25
  4. Step 4: Simplify right side
    83,391,144.57x = 3,952,143,693,670,893.50
  5. Step 5: Solve for x
    x = 3,952,143,693,670,893.50/83,391,144.57
  6. Step 6: Final answer
    x = 47,392,846.26

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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.