Home / 306,067,928.30-422,370,303.09-166,835,635.10

Finding the Fourth Proportional to 306,067,928.30, 422,370,303.09 and 166,835,635.10

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Solution

The fourth proportional to 306,067,928.30, 422,370,303.09 and 166,835,635.10 is: 230,231,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,067,928.30 : 422,370,303.09 = 166,835,635.10 : x
  2. Step 2: Convert to fraction form
    306,067,928.30/422,370,303.09 = 166,835,635.10/x
  3. Step 3: Cross multiply
    306,067,928.30x = 422,370,303.09 × 166,835,635.10
  4. Step 4: Simplify right side
    306,067,928.30x = 70,466,417,763,399,632
  5. Step 5: Solve for x
    x = 70,466,417,763,399,632/306,067,928.30
  6. Step 6: Final answer
    x = 230,231,302.43

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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.