Home / 79,132,647.69-109,203,695.11-43,851,042.21

Finding the Fourth Proportional to 79,132,647.69, 109,203,695.11 and 43,851,042.21

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Solution

The fourth proportional to 79,132,647.69, 109,203,695.11 and 43,851,042.21 is: 60,514,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132,647.69 : 109,203,695.11 = 43,851,042.21 : x
  2. Step 2: Convert to fraction form
    79,132,647.69/109,203,695.11 = 43,851,042.21/x
  3. Step 3: Cross multiply
    79,132,647.69x = 109,203,695.11 × 43,851,042.21
  4. Step 4: Simplify right side
    79,132,647.69x = 4,788,695,843,646,953
  5. Step 5: Solve for x
    x = 4,788,695,843,646,953/79,132,647.69
  6. Step 6: Final answer
    x = 60,514,793.62

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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.