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Finding the Fourth Proportional to 52,861,204.80, 79,291,807.20 and 36,736,891.20

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Solution

The fourth proportional to 52,861,204.80, 79,291,807.20 and 36,736,891.20 is: 55,105,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,861,204.80 : 79,291,807.20 = 36,736,891.20 : x
  2. Step 2: Convert to fraction form
    52,861,204.80/79,291,807.20 = 36,736,891.20/x
  3. Step 3: Cross multiply
    52,861,204.80x = 79,291,807.20 × 36,736,891.20
  4. Step 4: Simplify right side
    52,861,204.80x = 2,912,934,494,157,777
  5. Step 5: Solve for x
    x = 2,912,934,494,157,777/52,861,204.80
  6. Step 6: Final answer
    x = 55,105,336.80

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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.