Home / 208,861,218.44-288,165,625.62-125,198,823.24

Finding the Fourth Proportional to 208,861,218.44, 288,165,625.62 and 125,198,823.24

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Solution

The fourth proportional to 208,861,218.44, 288,165,625.62 and 125,198,823.24 is: 172,736,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,861,218.44 : 288,165,625.62 = 125,198,823.24 : x
  2. Step 2: Convert to fraction form
    208,861,218.44/288,165,625.62 = 125,198,823.24/x
  3. Step 3: Cross multiply
    208,861,218.44x = 288,165,625.62 × 125,198,823.24
  4. Step 4: Simplify right side
    208,861,218.44x = 36,077,997,225,842,392
  5. Step 5: Solve for x
    x = 36,077,997,225,842,392/208,861,218.44
  6. Step 6: Final answer
    x = 172,736,698.06

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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.