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Finding the Fourth Proportional to 63,978,623.48, 88,288,304.46 and 36,485,400.44

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Solution

The fourth proportional to 63,978,623.48, 88,288,304.46 and 36,485,400.44 is: 50,348,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,978,623.48 : 88,288,304.46 = 36,485,400.44 : x
  2. Step 2: Convert to fraction form
    63,978,623.48/88,288,304.46 = 36,485,400.44/x
  3. Step 3: Cross multiply
    63,978,623.48x = 88,288,304.46 × 36,485,400.44
  4. Step 4: Simplify right side
    63,978,623.48x = 3,221,234,142,391,737.50
  5. Step 5: Solve for x
    x = 3,221,234,142,391,737.50/63,978,623.48
  6. Step 6: Final answer
    x = 50,348,600.32

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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.