Home / 53,906,991.40-80,860,487.10-52,489,815.40

Finding the Fourth Proportional to 53,906,991.40, 80,860,487.10 and 52,489,815.40

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Solution

The fourth proportional to 53,906,991.40, 80,860,487.10 and 52,489,815.40 is: 78,734,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,906,991.40 : 80,860,487.10 = 52,489,815.40 : x
  2. Step 2: Convert to fraction form
    53,906,991.40/80,860,487.10 = 52,489,815.40/x
  3. Step 3: Cross multiply
    53,906,991.40x = 80,860,487.10 × 52,489,815.40
  4. Step 4: Simplify right side
    53,906,991.40x = 4,244,352,041,033,081
  5. Step 5: Solve for x
    x = 4,244,352,041,033,081/53,906,991.40
  6. Step 6: Final answer
    x = 78,734,723.10

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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.