Home / 306,021,548.24-422,324,676.60-172,101,604.40

Finding the Fourth Proportional to 306,021,548.24, 422,324,676.60 and 172,101,604.40

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Solution

The fourth proportional to 306,021,548.24, 422,324,676.60 and 172,101,604.40 is: 237,508,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,021,548.24 : 422,324,676.60 = 172,101,604.40 : x
  2. Step 2: Convert to fraction form
    306,021,548.24/422,324,676.60 = 172,101,604.40/x
  3. Step 3: Cross multiply
    306,021,548.24x = 422,324,676.60 × 172,101,604.40
  4. Step 4: Simplify right side
    306,021,548.24x = 72,682,754,420,571,136
  5. Step 5: Solve for x
    x = 72,682,754,420,571,136/306,021,548.24
  6. Step 6: Final answer
    x = 237,508,616.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.