Home / 267,747,367.11-399,818,035.71-218,660,597.27

Finding the Fourth Proportional to 267,747,367.11, 399,818,035.71 and 218,660,597.27

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Solution

The fourth proportional to 267,747,367.11, 399,818,035.71 and 218,660,597.27 is: 326,518,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,747,367.11 : 399,818,035.71 = 218,660,597.27 : x
  2. Step 2: Convert to fraction form
    267,747,367.11/399,818,035.71 = 218,660,597.27/x
  3. Step 3: Cross multiply
    267,747,367.11x = 399,818,035.71 × 218,660,597.27
  4. Step 4: Simplify right side
    267,747,367.11x = 87,424,450,487,666,784
  5. Step 5: Solve for x
    x = 87,424,450,487,666,784/267,747,367.11
  6. Step 6: Final answer
    x = 326,518,432.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.