Home / 54,288,080.80-81,432,121.20-48,335,941.60

Finding the Fourth Proportional to 54,288,080.80, 81,432,121.20 and 48,335,941.60

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Solution

The fourth proportional to 54,288,080.80, 81,432,121.20 and 48,335,941.60 is: 72,503,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288,080.80 : 81,432,121.20 = 48,335,941.60 : x
  2. Step 2: Convert to fraction form
    54,288,080.80/81,432,121.20 = 48,335,941.60/x
  3. Step 3: Cross multiply
    54,288,080.80x = 81,432,121.20 × 48,335,941.60
  4. Step 4: Simplify right side
    54,288,080.80x = 3,936,098,254,687,322
  5. Step 5: Solve for x
    x = 3,936,098,254,687,322/54,288,080.80
  6. Step 6: Final answer
    x = 72,503,912.40

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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.