Home / 129,452,237.88-194,177,028.22-74,830,067.60

Finding the Fourth Proportional to 129,452,237.88, 194,177,028.22 and 74,830,067.60

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Solution

The fourth proportional to 129,452,237.88, 194,177,028.22 and 74,830,067.60 is: 112,244,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,452,237.88 : 194,177,028.22 = 74,830,067.60 : x
  2. Step 2: Convert to fraction form
    129,452,237.88/194,177,028.22 = 74,830,067.60/x
  3. Step 3: Cross multiply
    129,452,237.88x = 194,177,028.22 × 74,830,067.60
  4. Step 4: Simplify right side
    129,452,237.88x = 14,530,280,147,625,662
  5. Step 5: Solve for x
    x = 14,530,280,147,625,662/129,452,237.88
  6. Step 6: Final answer
    x = 112,244,333.40

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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.