Home / 221,434,010.20-332,151,015.30-68,060,137.60

Finding the Fourth Proportional to 221,434,010.20, 332,151,015.30 and 68,060,137.60

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Solution

The fourth proportional to 221,434,010.20, 332,151,015.30 and 68,060,137.60 is: 102,090,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,010.20 : 332,151,015.30 = 68,060,137.60 : x
  2. Step 2: Convert to fraction form
    221,434,010.20/332,151,015.30 = 68,060,137.60/x
  3. Step 3: Cross multiply
    221,434,010.20x = 332,151,015.30 × 68,060,137.60
  4. Step 4: Simplify right side
    221,434,010.20x = 22,606,243,805,297,704
  5. Step 5: Solve for x
    x = 22,606,243,805,297,704/221,434,010.20
  6. Step 6: Final answer
    x = 102,090,206.40

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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.