Home / 50,419,478.80-75,629,218.20-48,207,984.40

Finding the Fourth Proportional to 50,419,478.80, 75,629,218.20 and 48,207,984.40

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Solution

The fourth proportional to 50,419,478.80, 75,629,218.20 and 48,207,984.40 is: 72,311,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,419,478.80 : 75,629,218.20 = 48,207,984.40 : x
  2. Step 2: Convert to fraction form
    50,419,478.80/75,629,218.20 = 48,207,984.40/x
  3. Step 3: Cross multiply
    50,419,478.80x = 75,629,218.20 × 48,207,984.40
  4. Step 4: Simplify right side
    50,419,478.80x = 3,645,932,171,169,796
  5. Step 5: Solve for x
    x = 3,645,932,171,169,796/50,419,478.80
  6. Step 6: Final answer
    x = 72,311,976.60

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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.