Home / 87,816,903.98-121,187,469.91-48,118,126.33

Finding the Fourth Proportional to 87,816,903.98, 121,187,469.91 and 48,118,126.33

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Solution

The fourth proportional to 87,816,903.98, 121,187,469.91 and 48,118,126.33 is: 66,403,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,816,903.98 : 121,187,469.91 = 48,118,126.33 : x
  2. Step 2: Convert to fraction form
    87,816,903.98/121,187,469.91 = 48,118,126.33/x
  3. Step 3: Cross multiply
    87,816,903.98x = 121,187,469.91 × 48,118,126.33
  4. Step 4: Simplify right side
    87,816,903.98x = 5,831,313,986,136,517
  5. Step 5: Solve for x
    x = 5,831,313,986,136,517/87,816,903.98
  6. Step 6: Final answer
    x = 66,403,092.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.