Home / 45,167,913.82-67,713,784.17-19,589,658.46

Finding the Fourth Proportional to 45,167,913.82, 67,713,784.17 and 19,589,658.46

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Solution

The fourth proportional to 45,167,913.82, 67,713,784.17 and 19,589,658.46 is: 29,367,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,167,913.82 : 67,713,784.17 = 19,589,658.46 : x
  2. Step 2: Convert to fraction form
    45,167,913.82/67,713,784.17 = 19,589,658.46/x
  3. Step 3: Cross multiply
    45,167,913.82x = 67,713,784.17 × 19,589,658.46
  4. Step 4: Simplify right side
    45,167,913.82x = 1,326,489,904,924,454.75
  5. Step 5: Solve for x
    x = 1,326,489,904,924,454.75/45,167,913.82
  6. Step 6: Final answer
    x = 29,367,969.27

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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.