Home / 87,361,647.51-120,561,596.96-48,205,945.79

Finding the Fourth Proportional to 87,361,647.51, 120,561,596.96 and 48,205,945.79

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Solution

The fourth proportional to 87,361,647.51, 120,561,596.96 and 48,205,945.79 is: 66,525,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,361,647.51 : 120,561,596.96 = 48,205,945.79 : x
  2. Step 2: Convert to fraction form
    87,361,647.51/120,561,596.96 = 48,205,945.79/x
  3. Step 3: Cross multiply
    87,361,647.51x = 120,561,596.96 × 48,205,945.79
  4. Step 4: Simplify right side
    87,361,647.51x = 5,811,785,807,379,402
  5. Step 5: Solve for x
    x = 5,811,785,807,379,402/87,361,647.51
  6. Step 6: Final answer
    x = 66,525,597.59

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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.