Home / 250,447,249.75-345,617,611.24-138,938,093.45

Finding the Fourth Proportional to 250,447,249.75, 345,617,611.24 and 138,938,093.45

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Solution

The fourth proportional to 250,447,249.75, 345,617,611.24 and 138,938,093.45 is: 191,734,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,447,249.75 : 345,617,611.24 = 138,938,093.45 : x
  2. Step 2: Convert to fraction form
    250,447,249.75/345,617,611.24 = 138,938,093.45/x
  3. Step 3: Cross multiply
    250,447,249.75x = 345,617,611.24 × 138,938,093.45
  4. Step 4: Simplify right side
    250,447,249.75x = 48,019,451,966,353,456
  5. Step 5: Solve for x
    x = 48,019,451,966,353,456/250,447,249.75
  6. Step 6: Final answer
    x = 191,734,794.51

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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.