Home / 126,701,920.80-174,848,650.72-68,755,168.80

Finding the Fourth Proportional to 126,701,920.80, 174,848,650.72 and 68,755,168.80

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Solution

The fourth proportional to 126,701,920.80, 174,848,650.72 and 68,755,168.80 is: 94,882,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,701,920.80 : 174,848,650.72 = 68,755,168.80 : x
  2. Step 2: Convert to fraction form
    126,701,920.80/174,848,650.72 = 68,755,168.80/x
  3. Step 3: Cross multiply
    126,701,920.80x = 174,848,650.72 × 68,755,168.80
  4. Step 4: Simplify right side
    126,701,920.80x = 12,021,748,494,705,840
  5. Step 5: Solve for x
    x = 12,021,748,494,705,840/126,701,920.80
  6. Step 6: Final answer
    x = 94,882,132.95

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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.