Home / 87,696,540.75-120,896,465.42-59,783,430.56

Finding the Fourth Proportional to 87,696,540.75, 120,896,465.42 and 59,783,430.56

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Solution

The fourth proportional to 87,696,540.75, 120,896,465.42 and 59,783,430.56 is: 82,416,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,696,540.75 : 120,896,465.42 = 59,783,430.56 : x
  2. Step 2: Convert to fraction form
    87,696,540.75/120,896,465.42 = 59,783,430.56/x
  3. Step 3: Cross multiply
    87,696,540.75x = 120,896,465.42 × 59,783,430.56
  4. Step 4: Simplify right side
    87,696,540.75x = 7,227,605,444,930,987
  5. Step 5: Solve for x
    x = 7,227,605,444,930,987/87,696,540.75
  6. Step 6: Final answer
    x = 82,416,083.73

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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.