Home / 121,717,795.48-167,917,775.81-80,522,063.80

Finding the Fourth Proportional to 121,717,795.48, 167,917,775.81 and 80,522,063.80

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Solution

The fourth proportional to 121,717,795.48, 167,917,775.81 and 80,522,063.80 is: 111,085,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,717,795.48 : 167,917,775.81 = 80,522,063.80 : x
  2. Step 2: Convert to fraction form
    121,717,795.48/167,917,775.81 = 80,522,063.80/x
  3. Step 3: Cross multiply
    121,717,795.48x = 167,917,775.81 × 80,522,063.80
  4. Step 4: Simplify right side
    121,717,795.48x = 13,521,085,856,104,512
  5. Step 5: Solve for x
    x = 13,521,085,856,104,512/121,717,795.48
  6. Step 6: Final answer
    x = 111,085,530.29

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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.