Home / 221,676,822.40-332,515,233.60-68,309,219.20

Finding the Fourth Proportional to 221,676,822.40, 332,515,233.60 and 68,309,219.20

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Solution

The fourth proportional to 221,676,822.40, 332,515,233.60 and 68,309,219.20 is: 102,463,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,676,822.40 : 332,515,233.60 = 68,309,219.20 : x
  2. Step 2: Convert to fraction form
    221,676,822.40/332,515,233.60 = 68,309,219.20/x
  3. Step 3: Cross multiply
    221,676,822.40x = 332,515,233.60 × 68,309,219.20
  4. Step 4: Simplify right side
    221,676,822.40x = 22,713,855,979,321,608
  5. Step 5: Solve for x
    x = 22,713,855,979,321,608/221,676,822.40
  6. Step 6: Final answer
    x = 102,463,828.80

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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.