Home / 168,491,479.20-252,737,218.80-149,359,603.20

Finding the Fourth Proportional to 168,491,479.20, 252,737,218.80 and 149,359,603.20

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Solution

The fourth proportional to 168,491,479.20, 252,737,218.80 and 149,359,603.20 is: 224,039,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,491,479.20 : 252,737,218.80 = 149,359,603.20 : x
  2. Step 2: Convert to fraction form
    168,491,479.20/252,737,218.80 = 149,359,603.20/x
  3. Step 3: Cross multiply
    168,491,479.20x = 252,737,218.80 × 149,359,603.20
  4. Step 4: Simplify right side
    168,491,479.20x = 37,748,730,713,839,576
  5. Step 5: Solve for x
    x = 37,748,730,713,839,576/168,491,479.20
  6. Step 6: Final answer
    x = 224,039,404.80

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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.