Home / 263,069,724.80-394,604,587.20-71,593,500.80

Finding the Fourth Proportional to 263,069,724.80, 394,604,587.20 and 71,593,500.80

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Solution

The fourth proportional to 263,069,724.80, 394,604,587.20 and 71,593,500.80 is: 107,390,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,069,724.80 : 394,604,587.20 = 71,593,500.80 : x
  2. Step 2: Convert to fraction form
    263,069,724.80/394,604,587.20 = 71,593,500.80/x
  3. Step 3: Cross multiply
    263,069,724.80x = 394,604,587.20 × 71,593,500.80
  4. Step 4: Simplify right side
    263,069,724.80x = 28,251,123,829,386,868
  5. Step 5: Solve for x
    x = 28,251,123,829,386,868/263,069,724.80
  6. Step 6: Final answer
    x = 107,390,251.20

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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.