Home / 221,382,466.20-332,073,699.30-140,959,963.80

Finding the Fourth Proportional to 221,382,466.20, 332,073,699.30 and 140,959,963.80

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Solution

The fourth proportional to 221,382,466.20, 332,073,699.30 and 140,959,963.80 is: 211,439,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,382,466.20 : 332,073,699.30 = 140,959,963.80 : x
  2. Step 2: Convert to fraction form
    221,382,466.20/332,073,699.30 = 140,959,963.80/x
  3. Step 3: Cross multiply
    221,382,466.20x = 332,073,699.30 × 140,959,963.80
  4. Step 4: Simplify right side
    221,382,466.20x = 46,809,096,632,260,088
  5. Step 5: Solve for x
    x = 46,809,096,632,260,088/221,382,466.20
  6. Step 6: Final answer
    x = 211,439,945.70

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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.