Home / 65,493,511.25-90,379,462.20-36,124,213.07

Finding the Fourth Proportional to 65,493,511.25, 90,379,462.20 and 36,124,213.07

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Solution

The fourth proportional to 65,493,511.25, 90,379,462.20 and 36,124,213.07 is: 49,850,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,493,511.25 : 90,379,462.20 = 36,124,213.07 : x
  2. Step 2: Convert to fraction form
    65,493,511.25/90,379,462.20 = 36,124,213.07/x
  3. Step 3: Cross multiply
    65,493,511.25x = 90,379,462.20 × 36,124,213.07
  4. Step 4: Simplify right side
    65,493,511.25x = 3,264,886,949,664,811
  5. Step 5: Solve for x
    x = 3,264,886,949,664,811/65,493,511.25
  6. Step 6: Final answer
    x = 49,850,540.72

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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.