Home / 128,038,230.62-192,057,850.25-30,993,782.41

Finding the Fourth Proportional to 128,038,230.62, 192,057,850.25 and 30,993,782.41

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Solution

The fourth proportional to 128,038,230.62, 192,057,850.25 and 30,993,782.41 is: 46,490,795.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,038,230.62 : 192,057,850.25 = 30,993,782.41 : x
  2. Step 2: Convert to fraction form
    128,038,230.62/192,057,850.25 = 30,993,782.41/x
  3. Step 3: Cross multiply
    128,038,230.62x = 192,057,850.25 × 30,993,782.41
  4. Step 4: Simplify right side
    128,038,230.62x = 5,952,599,220,780,864
  5. Step 5: Solve for x
    x = 5,952,599,220,780,864/128,038,230.62
  6. Step 6: Final answer
    x = 46,490,795.69

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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.