Home / 129,619,613.40-194,504,069.70-48,898,512.60

Finding the Fourth Proportional to 129,619,613.40, 194,504,069.70 and 48,898,512.60

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Solution

The fourth proportional to 129,619,613.40, 194,504,069.70 and 48,898,512.60 is: 73,375,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,619,613.40 : 194,504,069.70 = 48,898,512.60 : x
  2. Step 2: Convert to fraction form
    129,619,613.40/194,504,069.70 = 48,898,512.60/x
  3. Step 3: Cross multiply
    129,619,613.40x = 194,504,069.70 × 48,898,512.60
  4. Step 4: Simplify right side
    129,619,613.40x = 9,510,959,702,976,728
  5. Step 5: Solve for x
    x = 9,510,959,702,976,728/129,619,613.40
  6. Step 6: Final answer
    x = 73,375,930.18

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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.