Home / 129,758,722,704.32-194,694,017,761.56-70,055,530,971.18

Finding the Fourth Proportional to 129,758,722,704.32, 194,694,017,761.56 and 70,055,530,971.18

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Solution

The fourth proportional to 129,758,722,704.32, 194,694,017,761.56 and 70,055,530,971.18 is: 105,113,494,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,758,722,704.32 : 194,694,017,761.56 = 70,055,530,971.18 : x
  2. Step 2: Convert to fraction form
    129,758,722,704.32/194,694,017,761.56 = 70,055,530,971.18/x
  3. Step 3: Cross multiply
    129,758,722,704.32x = 194,694,017,761.56 × 70,055,530,971.18
  4. Step 4: Simplify right side
    129,758,722,704.32x = 13,639,392,791,198,433,280,000
  5. Step 5: Solve for x
    x = 13,639,392,791,198,433,280,000/129,758,722,704.32
  6. Step 6: Final answer
    x = 105,113,494,545.40

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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.