Home / 259,206,375.52-388,809,937.48-105,852,431.96

Finding the Fourth Proportional to 259,206,375.52, 388,809,937.48 and 105,852,431.96

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Solution

The fourth proportional to 259,206,375.52, 388,809,937.48 and 105,852,431.96 is: 158,778,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,206,375.52 : 388,809,937.48 = 105,852,431.96 : x
  2. Step 2: Convert to fraction form
    259,206,375.52/388,809,937.48 = 105,852,431.96/x
  3. Step 3: Cross multiply
    259,206,375.52x = 388,809,937.48 × 105,852,431.96
  4. Step 4: Simplify right side
    259,206,375.52x = 41,156,477,451,944,288
  5. Step 5: Solve for x
    x = 41,156,477,451,944,288/259,206,375.52
  6. Step 6: Final answer
    x = 158,778,800.75

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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.