Home / 67,818,934.80-101,728,402.20-21,760,714.80

Finding the Fourth Proportional to 67,818,934.80, 101,728,402.20 and 21,760,714.80

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Solution

The fourth proportional to 67,818,934.80, 101,728,402.20 and 21,760,714.80 is: 32,641,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,818,934.80 : 101,728,402.20 = 21,760,714.80 : x
  2. Step 2: Convert to fraction form
    67,818,934.80/101,728,402.20 = 21,760,714.80/x
  3. Step 3: Cross multiply
    67,818,934.80x = 101,728,402.20 × 21,760,714.80
  4. Step 4: Simplify right side
    67,818,934.80x = 2,213,682,747,333,892.75
  5. Step 5: Solve for x
    x = 2,213,682,747,333,892.75/67,818,934.80
  6. Step 6: Final answer
    x = 32,641,072.20

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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.