Home / 278,512,351.80-417,768,527.70-181,657,229.55

Finding the Fourth Proportional to 278,512,351.80, 417,768,527.70 and 181,657,229.55

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Solution

The fourth proportional to 278,512,351.80, 417,768,527.70 and 181,657,229.55 is: 272,485,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,512,351.80 : 417,768,527.70 = 181,657,229.55 : x
  2. Step 2: Convert to fraction form
    278,512,351.80/417,768,527.70 = 181,657,229.55/x
  3. Step 3: Cross multiply
    278,512,351.80x = 417,768,527.70 × 181,657,229.55
  4. Step 4: Simplify right side
    278,512,351.80x = 75,890,673,335,164,432
  5. Step 5: Solve for x
    x = 75,890,673,335,164,432/278,512,351.80
  6. Step 6: Final answer
    x = 272,485,844.33

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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.