Home / 325,691,035.20-488,536,552.80-172,636,027.20

Finding the Fourth Proportional to 325,691,035.20, 488,536,552.80 and 172,636,027.20

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Solution

The fourth proportional to 325,691,035.20, 488,536,552.80 and 172,636,027.20 is: 258,954,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,691,035.20 : 488,536,552.80 = 172,636,027.20 : x
  2. Step 2: Convert to fraction form
    325,691,035.20/488,536,552.80 = 172,636,027.20/x
  3. Step 3: Cross multiply
    325,691,035.20x = 488,536,552.80 × 172,636,027.20
  4. Step 4: Simplify right side
    325,691,035.20x = 84,339,009,617,375,040
  5. Step 5: Solve for x
    x = 84,339,009,617,375,040/325,691,035.20
  6. Step 6: Final answer
    x = 258,954,040.80

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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.