Home / 121,971,723,969.73-168,322,504,333.59-67,044,893,883.79

Finding the Fourth Proportional to 121,971,723,969.73, 168,322,504,333.59 and 67,044,893,883.79

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Solution

The fourth proportional to 121,971,723,969.73, 168,322,504,333.59 and 67,044,893,883.79 is: 92,522,791,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,971,723,969.73 : 168,322,504,333.59 = 67,044,893,883.79 : x
  2. Step 2: Convert to fraction form
    121,971,723,969.73/168,322,504,333.59 = 67,044,893,883.79/x
  3. Step 3: Cross multiply
    121,971,723,969.73x = 168,322,504,333.59 × 67,044,893,883.79
  4. Step 4: Simplify right side
    121,971,723,969.73x = 11,285,164,441,299,322,929,152
  5. Step 5: Solve for x
    x = 11,285,164,441,299,322,929,152/121,971,723,969.73
  6. Step 6: Final answer
    x = 92,522,791,955.45

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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.