Home / 40,465,385.39-55,842,192.38-21,880,481.03

Finding the Fourth Proportional to 40,465,385.39, 55,842,192.38 and 21,880,481.03

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Solution

The fourth proportional to 40,465,385.39, 55,842,192.38 and 21,880,481.03 is: 30,195,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465,385.39 : 55,842,192.38 = 21,880,481.03 : x
  2. Step 2: Convert to fraction form
    40,465,385.39/55,842,192.38 = 21,880,481.03/x
  3. Step 3: Cross multiply
    40,465,385.39x = 55,842,192.38 × 21,880,481.03
  4. Step 4: Simplify right side
    40,465,385.39x = 1,221,854,031,029,099
  5. Step 5: Solve for x
    x = 1,221,854,031,029,099/40,465,385.39
  6. Step 6: Final answer
    x = 30,195,042.48

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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.