Home / 221,540,432.40-332,310,648.60-196,031,264.40

Finding the Fourth Proportional to 221,540,432.40, 332,310,648.60 and 196,031,264.40

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Solution

The fourth proportional to 221,540,432.40, 332,310,648.60 and 196,031,264.40 is: 294,046,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,540,432.40 : 332,310,648.60 = 196,031,264.40 : x
  2. Step 2: Convert to fraction form
    221,540,432.40/332,310,648.60 = 196,031,264.40/x
  3. Step 3: Cross multiply
    221,540,432.40x = 332,310,648.60 × 196,031,264.40
  4. Step 4: Simplify right side
    221,540,432.40x = 65,143,276,618,642,096
  5. Step 5: Solve for x
    x = 65,143,276,618,642,096/221,540,432.40
  6. Step 6: Final answer
    x = 294,046,896.60

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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.