Home / 269,028,381.60-403,542,572.40-132,979,485.60

Finding the Fourth Proportional to 269,028,381.60, 403,542,572.40 and 132,979,485.60

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Solution

The fourth proportional to 269,028,381.60, 403,542,572.40 and 132,979,485.60 is: 199,469,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,028,381.60 : 403,542,572.40 = 132,979,485.60 : x
  2. Step 2: Convert to fraction form
    269,028,381.60/403,542,572.40 = 132,979,485.60/x
  3. Step 3: Cross multiply
    269,028,381.60x = 403,542,572.40 × 132,979,485.60
  4. Step 4: Simplify right side
    269,028,381.60x = 53,662,883,695,452,752
  5. Step 5: Solve for x
    x = 53,662,883,695,452,752/269,028,381.60
  6. Step 6: Final answer
    x = 199,469,228.40

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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.