Home / 87,990,431.05-131,985,646.78-46,925,458.73

Finding the Fourth Proportional to 87,990,431.05, 131,985,646.78 and 46,925,458.73

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Solution

The fourth proportional to 87,990,431.05, 131,985,646.78 and 46,925,458.73 is: 70,388,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,990,431.05 : 131,985,646.78 = 46,925,458.73 : x
  2. Step 2: Convert to fraction form
    87,990,431.05/131,985,646.78 = 46,925,458.73/x
  3. Step 3: Cross multiply
    87,990,431.05x = 131,985,646.78 × 46,925,458.73
  4. Step 4: Simplify right side
    87,990,431.05x = 6,193,487,021,475,591
  5. Step 5: Solve for x
    x = 6,193,487,021,475,591/87,990,431.05
  6. Step 6: Final answer
    x = 70,388,188.21

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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.