Home / 121,085,066.46-167,102,824.86-68,179,967.34

Finding the Fourth Proportional to 121,085,066.46, 167,102,824.86 and 68,179,967.34

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Solution

The fourth proportional to 121,085,066.46, 167,102,824.86 and 68,179,967.34 is: 94,091,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,085,066.46 : 167,102,824.86 = 68,179,967.34 : x
  2. Step 2: Convert to fraction form
    121,085,066.46/167,102,824.86 = 68,179,967.34/x
  3. Step 3: Cross multiply
    121,085,066.46x = 167,102,824.86 × 68,179,967.34
  4. Step 4: Simplify right side
    121,085,066.46x = 11,393,065,141,376,542
  5. Step 5: Solve for x
    x = 11,393,065,141,376,542/121,085,066.46
  6. Step 6: Final answer
    x = 94,091,414.20

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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.