Home / 281,682,197.80-388,272,289.76-222,046,241.52

Finding the Fourth Proportional to 281,682,197.80, 388,272,289.76 and 222,046,241.52

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Solution

The fourth proportional to 281,682,197.80, 388,272,289.76 and 222,046,241.52 is: 306,069,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,682,197.80 : 388,272,289.76 = 222,046,241.52 : x
  2. Step 2: Convert to fraction form
    281,682,197.80/388,272,289.76 = 222,046,241.52/x
  3. Step 3: Cross multiply
    281,682,197.80x = 388,272,289.76 × 222,046,241.52
  4. Step 4: Simplify right side
    281,682,197.80x = 86,214,402,624,520,784
  5. Step 5: Solve for x
    x = 86,214,402,624,520,784/281,682,197.80
  6. Step 6: Final answer
    x = 306,069,759.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.