Home / 269,573,620.80-404,360,431.20-147,129,614.40

Finding the Fourth Proportional to 269,573,620.80, 404,360,431.20 and 147,129,614.40

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Solution

The fourth proportional to 269,573,620.80, 404,360,431.20 and 147,129,614.40 is: 220,694,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,573,620.80 : 404,360,431.20 = 147,129,614.40 : x
  2. Step 2: Convert to fraction form
    269,573,620.80/404,360,431.20 = 147,129,614.40/x
  3. Step 3: Cross multiply
    269,573,620.80x = 404,360,431.20 × 147,129,614.40
  4. Step 4: Simplify right side
    269,573,620.80x = 59,493,394,321,073,728
  5. Step 5: Solve for x
    x = 59,493,394,321,073,728/269,573,620.80
  6. Step 6: Final answer
    x = 220,694,421.60

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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.