Home / 87,726,420.23-121,062,015.88-48,033,229.77

Finding the Fourth Proportional to 87,726,420.23, 121,062,015.88 and 48,033,229.77

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Solution

The fourth proportional to 87,726,420.23, 121,062,015.88 and 48,033,229.77 is: 66,285,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,726,420.23 : 121,062,015.88 = 48,033,229.77 : x
  2. Step 2: Convert to fraction form
    87,726,420.23/121,062,015.88 = 48,033,229.77/x
  3. Step 3: Cross multiply
    87,726,420.23x = 121,062,015.88 × 48,033,229.77
  4. Step 4: Simplify right side
    87,726,420.23x = 5,814,999,625,183,429
  5. Step 5: Solve for x
    x = 5,814,999,625,183,429/87,726,420.23
  6. Step 6: Final answer
    x = 66,285,613.96

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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.