Home / 129,895,209.41-179,213,212.20-88,570,357.25

Finding the Fourth Proportional to 129,895,209.41, 179,213,212.20 and 88,570,357.25

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Solution

The fourth proportional to 129,895,209.41, 179,213,212.20 and 88,570,357.25 is: 122,198,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,895,209.41 : 179,213,212.20 = 88,570,357.25 : x
  2. Step 2: Convert to fraction form
    129,895,209.41/179,213,212.20 = 88,570,357.25/x
  3. Step 3: Cross multiply
    129,895,209.41x = 179,213,212.20 × 88,570,357.25
  4. Step 4: Simplify right side
    129,895,209.41x = 15,872,978,227,577,992
  5. Step 5: Solve for x
    x = 15,872,978,227,577,992/129,895,209.41
  6. Step 6: Final answer
    x = 122,198,334.34

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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.