Home / 188,915,987,517.16-260,707,160,088.66-112,799,053,051.24

Finding the Fourth Proportional to 188,915,987,517.16, 260,707,160,088.66 and 112,799,053,051.24

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Solution

The fourth proportional to 188,915,987,517.16, 260,707,160,088.66 and 112,799,053,051.24 is: 155,664,542,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,915,987,517.16 : 260,707,160,088.66 = 112,799,053,051.24 : x
  2. Step 2: Convert to fraction form
    188,915,987,517.16/260,707,160,088.66 = 112,799,053,051.24/x
  3. Step 3: Cross multiply
    188,915,987,517.16x = 260,707,160,088.66 × 112,799,053,051.24
  4. Step 4: Simplify right side
    188,915,987,517.16x = 29,407,520,781,678,879,440,896
  5. Step 5: Solve for x
    x = 29,407,520,781,678,879,440,896/188,915,987,517.16
  6. Step 6: Final answer
    x = 155,664,542,573.50

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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.