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Finding the Fourth Proportional to 79,906,800.30, 119,860,200.45 and 36,860,079.30

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Solution

The fourth proportional to 79,906,800.30, 119,860,200.45 and 36,860,079.30 is: 55,290,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,906,800.30 : 119,860,200.45 = 36,860,079.30 : x
  2. Step 2: Convert to fraction form
    79,906,800.30/119,860,200.45 = 36,860,079.30/x
  3. Step 3: Cross multiply
    79,906,800.30x = 119,860,200.45 × 36,860,079.30
  4. Step 4: Simplify right side
    79,906,800.30x = 4,418,056,493,500,895.50
  5. Step 5: Solve for x
    x = 4,418,056,493,500,895.50/79,906,800.30
  6. Step 6: Final answer
    x = 55,290,118.95

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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.