Home / 188,915,987,529.16-260,707,160,105.22-112,799,053,063.24

Finding the Fourth Proportional to 188,915,987,529.16, 260,707,160,105.22 and 112,799,053,063.24

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Solution

The fourth proportional to 188,915,987,529.16, 260,707,160,105.22 and 112,799,053,063.24 is: 155,664,542,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,915,987,529.16 : 260,707,160,105.22 = 112,799,053,063.24 : x
  2. Step 2: Convert to fraction form
    188,915,987,529.16/260,707,160,105.22 = 112,799,053,063.24/x
  3. Step 3: Cross multiply
    188,915,987,529.16x = 260,707,160,105.22 × 112,799,053,063.24
  4. Step 4: Simplify right side
    188,915,987,529.16x = 29,407,520,786,675,318,915,072
  5. Step 5: Solve for x
    x = 29,407,520,786,675,318,915,072/188,915,987,529.16
  6. Step 6: Final answer
    x = 155,664,542,590.06

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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.