Home / 109,022,372.69-163,514,142.07-43,438,013.89

Finding the Fourth Proportional to 109,022,372.69, 163,514,142.07 and 43,438,013.89

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Solution

The fourth proportional to 109,022,372.69, 163,514,142.07 and 43,438,013.89 is: 65,149,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,022,372.69 : 163,514,142.07 = 43,438,013.89 : x
  2. Step 2: Convert to fraction form
    109,022,372.69/163,514,142.07 = 43,438,013.89/x
  3. Step 3: Cross multiply
    109,022,372.69x = 163,514,142.07 × 43,438,013.89
  4. Step 4: Simplify right side
    109,022,372.69x = 7,102,729,573,930,713
  5. Step 5: Solve for x
    x = 7,102,729,573,930,713/109,022,372.69
  6. Step 6: Final answer
    x = 65,149,284.49

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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.