Home / 129,960,093.20-194,940,139.80-53,338,110.80

Finding the Fourth Proportional to 129,960,093.20, 194,940,139.80 and 53,338,110.80

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Solution

The fourth proportional to 129,960,093.20, 194,940,139.80 and 53,338,110.80 is: 80,007,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,960,093.20 : 194,940,139.80 = 53,338,110.80 : x
  2. Step 2: Convert to fraction form
    129,960,093.20/194,940,139.80 = 53,338,110.80/x
  3. Step 3: Cross multiply
    129,960,093.20x = 194,940,139.80 × 53,338,110.80
  4. Step 4: Simplify right side
    129,960,093.20x = 10,397,738,776,019,890
  5. Step 5: Solve for x
    x = 10,397,738,776,019,890/129,960,093.20
  6. Step 6: Final answer
    x = 80,007,166.20

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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.