Home / 207,964,257.04-286,999,640.67-115,144,764.22

Finding the Fourth Proportional to 207,964,257.04, 286,999,640.67 and 115,144,764.22

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Solution

The fourth proportional to 207,964,257.04, 286,999,640.67 and 115,144,764.22 is: 158,904,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,964,257.04 : 286,999,640.67 = 115,144,764.22 : x
  2. Step 2: Convert to fraction form
    207,964,257.04/286,999,640.67 = 115,144,764.22/x
  3. Step 3: Cross multiply
    207,964,257.04x = 286,999,640.67 × 115,144,764.22
  4. Step 4: Simplify right side
    207,964,257.04x = 33,046,505,956,171,876
  5. Step 5: Solve for x
    x = 33,046,505,956,171,876/207,964,257.04
  6. Step 6: Final answer
    x = 158,904,738.86

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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.