Home / 247,384,751.75-341,507,188.76-142,942,620.32

Finding the Fourth Proportional to 247,384,751.75, 341,507,188.76 and 142,942,620.32

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Solution

The fourth proportional to 247,384,751.75, 341,507,188.76 and 142,942,620.32 is: 197,327,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,384,751.75 : 341,507,188.76 = 142,942,620.32 : x
  2. Step 2: Convert to fraction form
    247,384,751.75/341,507,188.76 = 142,942,620.32/x
  3. Step 3: Cross multiply
    247,384,751.75x = 341,507,188.76 × 142,942,620.32
  4. Step 4: Simplify right side
    247,384,751.75x = 48,815,932,417,049,000
  5. Step 5: Solve for x
    x = 48,815,932,417,049,000/247,384,751.75
  6. Step 6: Final answer
    x = 197,327,976.25

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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.