Home / 313,093,987.57-432,070,477.37-173,864,745.24

Finding the Fourth Proportional to 313,093,987.57, 432,070,477.37 and 173,864,745.24

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Solution

The fourth proportional to 313,093,987.57, 432,070,477.37 and 173,864,745.24 is: 239,933,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,093,987.57 : 432,070,477.37 = 173,864,745.24 : x
  2. Step 2: Convert to fraction form
    313,093,987.57/432,070,477.37 = 173,864,745.24/x
  3. Step 3: Cross multiply
    313,093,987.57x = 432,070,477.37 × 173,864,745.24
  4. Step 4: Simplify right side
    313,093,987.57x = 75,121,823,472,799,760
  5. Step 5: Solve for x
    x = 75,121,823,472,799,760/313,093,987.57
  6. Step 6: Final answer
    x = 239,933,778.53

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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.