Home / 54,288,072.80-81,432,109.20-48,335,933.60

Finding the Fourth Proportional to 54,288,072.80, 81,432,109.20 and 48,335,933.60

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Solution

The fourth proportional to 54,288,072.80, 81,432,109.20 and 48,335,933.60 is: 72,503,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288,072.80 : 81,432,109.20 = 48,335,933.60 : x
  2. Step 2: Convert to fraction form
    54,288,072.80/81,432,109.20 = 48,335,933.60/x
  3. Step 3: Cross multiply
    54,288,072.80x = 81,432,109.20 × 48,335,933.60
  4. Step 4: Simplify right side
    54,288,072.80x = 3,936,097,023,199,149.50
  5. Step 5: Solve for x
    x = 3,936,097,023,199,149.50/54,288,072.80
  6. Step 6: Final answer
    x = 72,503,900.40

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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.