Home / 166,805,441.20-230,055,016.72-117,409,334.32

Finding the Fourth Proportional to 166,805,441.20, 230,055,016.72 and 117,409,334.32

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Solution

The fourth proportional to 166,805,441.20, 230,055,016.72 and 117,409,334.32 is: 161,928,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,805,441.20 : 230,055,016.72 = 117,409,334.32 : x
  2. Step 2: Convert to fraction form
    166,805,441.20/230,055,016.72 = 117,409,334.32/x
  3. Step 3: Cross multiply
    166,805,441.20x = 230,055,016.72 × 117,409,334.32
  4. Step 4: Simplify right side
    166,805,441.20x = 27,010,606,370,071,668
  5. Step 5: Solve for x
    x = 27,010,606,370,071,668/166,805,441.20
  6. Step 6: Final answer
    x = 161,928,808.65

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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.