Home / 129,981,136.97-179,393,220.93-82,300,823.06

Finding the Fourth Proportional to 129,981,136.97, 179,393,220.93 and 82,300,823.06

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Solution

The fourth proportional to 129,981,136.97, 179,393,220.93 and 82,300,823.06 is: 113,587,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,981,136.97 : 179,393,220.93 = 82,300,823.06 : x
  2. Step 2: Convert to fraction form
    129,981,136.97/179,393,220.93 = 82,300,823.06/x
  3. Step 3: Cross multiply
    129,981,136.97x = 179,393,220.93 × 82,300,823.06
  4. Step 4: Simplify right side
    129,981,136.97x = 14,764,209,734,166,150
  5. Step 5: Solve for x
    x = 14,764,209,734,166,150/129,981,136.97
  6. Step 6: Final answer
    x = 113,587,325.66

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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.