Home / 54,288,003.80-81,432,005.70-48,335,864.60

Finding the Fourth Proportional to 54,288,003.80, 81,432,005.70 and 48,335,864.60

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Solution

The fourth proportional to 54,288,003.80, 81,432,005.70 and 48,335,864.60 is: 72,503,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288,003.80 : 81,432,005.70 = 48,335,864.60 : x
  2. Step 2: Convert to fraction form
    54,288,003.80/81,432,005.70 = 48,335,864.60/x
  3. Step 3: Cross multiply
    54,288,003.80x = 81,432,005.70 × 48,335,864.60
  4. Step 4: Simplify right side
    54,288,003.80x = 3,936,086,401,621,628.50
  5. Step 5: Solve for x
    x = 3,936,086,401,621,628.50/54,288,003.80
  6. Step 6: Final answer
    x = 72,503,796.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.