Home / 132,338,320.80-198,507,481.20-64,313,872.80

Finding the Fourth Proportional to 132,338,320.80, 198,507,481.20 and 64,313,872.80

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Solution

The fourth proportional to 132,338,320.80, 198,507,481.20 and 64,313,872.80 is: 96,470,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,338,320.80 : 198,507,481.20 = 64,313,872.80 : x
  2. Step 2: Convert to fraction form
    132,338,320.80/198,507,481.20 = 64,313,872.80/x
  3. Step 3: Cross multiply
    132,338,320.80x = 198,507,481.20 × 64,313,872.80
  4. Step 4: Simplify right side
    132,338,320.80x = 12,766,784,895,745,190
  5. Step 5: Solve for x
    x = 12,766,784,895,745,190/132,338,320.80
  6. Step 6: Final answer
    x = 96,470,809.20

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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.