Home / 121,971,723,970.98-168,322,504,335.32-67,044,893,885.04

Finding the Fourth Proportional to 121,971,723,970.98, 168,322,504,335.32 and 67,044,893,885.04

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Solution

The fourth proportional to 121,971,723,970.98, 168,322,504,335.32 and 67,044,893,885.04 is: 92,522,791,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,971,723,970.98 : 168,322,504,335.32 = 67,044,893,885.04 : x
  2. Step 2: Convert to fraction form
    121,971,723,970.98/168,322,504,335.32 = 67,044,893,885.04/x
  3. Step 3: Cross multiply
    121,971,723,970.98x = 168,322,504,335.32 × 67,044,893,885.04
  4. Step 4: Simplify right side
    121,971,723,970.98x = 11,285,164,441,625,715,277,824
  5. Step 5: Solve for x
    x = 11,285,164,441,625,715,277,824/121,971,723,970.98
  6. Step 6: Final answer
    x = 92,522,791,957.18

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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.