Home / 126,701,930.88-174,848,664.60-68,755,178.88

Finding the Fourth Proportional to 126,701,930.88, 174,848,664.60 and 68,755,178.88

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Solution

The fourth proportional to 126,701,930.88, 174,848,664.60 and 68,755,178.88 is: 94,882,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,701,930.88 : 174,848,664.60 = 68,755,178.88 : x
  2. Step 2: Convert to fraction form
    126,701,930.88/174,848,664.60 = 68,755,178.88/x
  3. Step 3: Cross multiply
    126,701,930.88x = 174,848,664.60 × 68,755,178.88
  4. Step 4: Simplify right side
    126,701,930.88x = 12,021,751,211,502,122
  5. Step 5: Solve for x
    x = 12,021,751,211,502,122/126,701,930.88
  6. Step 6: Final answer
    x = 94,882,146.85

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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.