Home / 172,400,727.60-258,601,091.40-153,694,004.40

Finding the Fourth Proportional to 172,400,727.60, 258,601,091.40 and 153,694,004.40

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Solution

The fourth proportional to 172,400,727.60, 258,601,091.40 and 153,694,004.40 is: 230,541,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,400,727.60 : 258,601,091.40 = 153,694,004.40 : x
  2. Step 2: Convert to fraction form
    172,400,727.60/258,601,091.40 = 153,694,004.40/x
  3. Step 3: Cross multiply
    172,400,727.60x = 258,601,091.40 × 153,694,004.40
  4. Step 4: Simplify right side
    172,400,727.60x = 39,745,437,279,476,408
  5. Step 5: Solve for x
    x = 39,745,437,279,476,408/172,400,727.60
  6. Step 6: Final answer
    x = 230,541,006.60

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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.