Home / 87,677,645.76-120,992,172.48-48,521,073.60

Finding the Fourth Proportional to 87,677,645.76, 120,992,172.48 and 48,521,073.60

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Solution

The fourth proportional to 87,677,645.76, 120,992,172.48 and 48,521,073.60 is: 66,957,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,677,645.76 : 120,992,172.48 = 48,521,073.60 : x
  2. Step 2: Convert to fraction form
    87,677,645.76/120,992,172.48 = 48,521,073.60/x
  3. Step 3: Cross multiply
    87,677,645.76x = 120,992,172.48 × 48,521,073.60
  4. Step 4: Simplify right side
    87,677,645.76x = 5,870,670,105,925,975
  5. Step 5: Solve for x
    x = 5,870,670,105,925,975/87,677,645.76
  6. Step 6: Final answer
    x = 66,957,433.16

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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.