Home / 220,750,945.21-304,540,582.65-131,392,784.30

Finding the Fourth Proportional to 220,750,945.21, 304,540,582.65 and 131,392,784.30

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Solution

The fourth proportional to 220,750,945.21, 304,540,582.65 and 131,392,784.30 is: 181,265,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,750,945.21 : 304,540,582.65 = 131,392,784.30 : x
  2. Step 2: Convert to fraction form
    220,750,945.21/304,540,582.65 = 131,392,784.30/x
  3. Step 3: Cross multiply
    220,750,945.21x = 304,540,582.65 × 131,392,784.30
  4. Step 4: Simplify right side
    220,750,945.21x = 40,014,435,086,727,768
  5. Step 5: Solve for x
    x = 40,014,435,086,727,768/220,750,945.21
  6. Step 6: Final answer
    x = 181,265,067.97

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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.