Home / 79,132,648.32-109,203,695.97-43,851,042.84

Finding the Fourth Proportional to 79,132,648.32, 109,203,695.97 and 43,851,042.84

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Solution

The fourth proportional to 79,132,648.32, 109,203,695.97 and 43,851,042.84 is: 60,514,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132,648.32 : 109,203,695.97 = 43,851,042.84 : x
  2. Step 2: Convert to fraction form
    79,132,648.32/109,203,695.97 = 43,851,042.84/x
  3. Step 3: Cross multiply
    79,132,648.32x = 109,203,695.97 × 43,851,042.84
  4. Step 4: Simplify right side
    79,132,648.32x = 4,788,695,950,266,806
  5. Step 5: Solve for x
    x = 4,788,695,950,266,806/79,132,648.32
  6. Step 6: Final answer
    x = 60,514,794.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.