Home / 87,203,723.40-120,341,083.48-48,045,499.77

Finding the Fourth Proportional to 87,203,723.40, 120,341,083.48 and 48,045,499.77

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Solution

The fourth proportional to 87,203,723.40, 120,341,083.48 and 48,045,499.77 is: 66,302,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,203,723.40 : 120,341,083.48 = 48,045,499.77 : x
  2. Step 2: Convert to fraction form
    87,203,723.40/120,341,083.48 = 48,045,499.77/x
  3. Step 3: Cross multiply
    87,203,723.40x = 120,341,083.48 × 48,045,499.77
  4. Step 4: Simplify right side
    87,203,723.40x = 5,781,847,498,659,891
  5. Step 5: Solve for x
    x = 5,781,847,498,659,891/87,203,723.40
  6. Step 6: Final answer
    x = 66,302,759.48

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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.