Home / 221,336,704.40-332,005,056.60-67,982,514.80

Finding the Fourth Proportional to 221,336,704.40, 332,005,056.60 and 67,982,514.80

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Solution

The fourth proportional to 221,336,704.40, 332,005,056.60 and 67,982,514.80 is: 101,973,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,336,704.40 : 332,005,056.60 = 67,982,514.80 : x
  2. Step 2: Convert to fraction form
    221,336,704.40/332,005,056.60 = 67,982,514.80/x
  3. Step 3: Cross multiply
    221,336,704.40x = 332,005,056.60 × 67,982,514.80
  4. Step 4: Simplify right side
    221,336,704.40x = 22,570,538,673,984,340
  5. Step 5: Solve for x
    x = 22,570,538,673,984,340/221,336,704.40
  6. Step 6: Final answer
    x = 101,973,772.20

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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.