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Finding the Fourth Proportional to 110,851,645.80, 166,277,468.70 and 50,385,469.80

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Solution

The fourth proportional to 110,851,645.80, 166,277,468.70 and 50,385,469.80 is: 75,578,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,851,645.80 : 166,277,468.70 = 50,385,469.80 : x
  2. Step 2: Convert to fraction form
    110,851,645.80/166,277,468.70 = 50,385,469.80/x
  3. Step 3: Cross multiply
    110,851,645.80x = 166,277,468.70 × 50,385,469.80
  4. Step 4: Simplify right side
    110,851,645.80x = 8,377,968,377,604,294
  5. Step 5: Solve for x
    x = 8,377,968,377,604,294/110,851,645.80
  6. Step 6: Final answer
    x = 75,578,204.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.