Home / 222,757,143.96-307,398,619.98-122,285,565.30

Finding the Fourth Proportional to 222,757,143.96, 307,398,619.98 and 122,285,565.30

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Solution

The fourth proportional to 222,757,143.96, 307,398,619.98 and 122,285,565.30 is: 168,750,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,757,143.96 : 307,398,619.98 = 122,285,565.30 : x
  2. Step 2: Convert to fraction form
    222,757,143.96/307,398,619.98 = 122,285,565.30/x
  3. Step 3: Cross multiply
    222,757,143.96x = 307,398,619.98 × 122,285,565.30
  4. Step 4: Simplify right side
    222,757,143.96x = 37,590,414,016,694,176
  5. Step 5: Solve for x
    x = 37,590,414,016,694,176/222,757,143.96
  6. Step 6: Final answer
    x = 168,750,655.30

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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.