Home / 129,400,410.40-194,100,615.60-68,934,234.40

Finding the Fourth Proportional to 129,400,410.40, 194,100,615.60 and 68,934,234.40

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Solution

The fourth proportional to 129,400,410.40, 194,100,615.60 and 68,934,234.40 is: 103,401,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,400,410.40 : 194,100,615.60 = 68,934,234.40 : x
  2. Step 2: Convert to fraction form
    129,400,410.40/194,100,615.60 = 68,934,234.40/x
  3. Step 3: Cross multiply
    129,400,410.40x = 194,100,615.60 × 68,934,234.40
  4. Step 4: Simplify right side
    129,400,410.40x = 13,380,177,332,954,698
  5. Step 5: Solve for x
    x = 13,380,177,332,954,698/129,400,410.40
  6. Step 6: Final answer
    x = 103,401,351.60

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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.