Home / 123,200,470.82-170,016,653.11-68,196,327.32

Finding the Fourth Proportional to 123,200,470.82, 170,016,653.11 and 68,196,327.32

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Solution

The fourth proportional to 123,200,470.82, 170,016,653.11 and 68,196,327.32 is: 94,110,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,200,470.82 : 170,016,653.11 = 68,196,327.32 : x
  2. Step 2: Convert to fraction form
    123,200,470.82/170,016,653.11 = 68,196,327.32/x
  3. Step 3: Cross multiply
    123,200,470.82x = 170,016,653.11 × 68,196,327.32
  4. Step 4: Simplify right side
    123,200,470.82x = 11,594,511,325,340,456
  5. Step 5: Solve for x
    x = 11,594,511,325,340,456/123,200,470.82
  6. Step 6: Final answer
    x = 94,110,933.57

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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.