Home / 258,423,383.94-387,589,050.48-102,964,163.10

Finding the Fourth Proportional to 258,423,383.94, 387,589,050.48 and 102,964,163.10

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Solution

The fourth proportional to 258,423,383.94, 387,589,050.48 and 102,964,163.10 is: 154,427,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,423,383.94 : 387,589,050.48 = 102,964,163.10 : x
  2. Step 2: Convert to fraction form
    258,423,383.94/387,589,050.48 = 102,964,163.10/x
  3. Step 3: Cross multiply
    258,423,383.94x = 387,589,050.48 × 102,964,163.10
  4. Step 4: Simplify right side
    258,423,383.94x = 39,907,782,209,396,856
  5. Step 5: Solve for x
    x = 39,907,782,209,396,856/258,423,383.94
  6. Step 6: Final answer
    x = 154,427,906.64

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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.