Home / 172,463,021.40-258,694,532.10-165,660,576.60

Finding the Fourth Proportional to 172,463,021.40, 258,694,532.10 and 165,660,576.60

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Solution

The fourth proportional to 172,463,021.40, 258,694,532.10 and 165,660,576.60 is: 248,490,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,463,021.40 : 258,694,532.10 = 165,660,576.60 : x
  2. Step 2: Convert to fraction form
    172,463,021.40/258,694,532.10 = 165,660,576.60/x
  3. Step 3: Cross multiply
    172,463,021.40x = 258,694,532.10 × 165,660,576.60
  4. Step 4: Simplify right side
    172,463,021.40x = 42,855,485,350,953,208
  5. Step 5: Solve for x
    x = 42,855,485,350,953,208/172,463,021.40
  6. Step 6: Final answer
    x = 248,490,864.90

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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.