Home / 416,090,745.92-624,225,565.84-120,990,993.42

Finding the Fourth Proportional to 416,090,745.92, 624,225,565.84 and 120,990,993.42

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Solution

The fourth proportional to 416,090,745.92, 624,225,565.84 and 120,990,993.42 is: 181,512,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,090,745.92 : 624,225,565.84 = 120,990,993.42 : x
  2. Step 2: Convert to fraction form
    416,090,745.92/624,225,565.84 = 120,990,993.42/x
  3. Step 3: Cross multiply
    416,090,745.92x = 624,225,565.84 × 120,990,993.42
  4. Step 4: Simplify right side
    416,090,745.92x = 75,525,671,329,143,216
  5. Step 5: Solve for x
    x = 75,525,671,329,143,216/416,090,745.92
  6. Step 6: Final answer
    x = 181,512,499.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.