Home / 215,320,835.20-322,596,340.80-131,036,771.20

Finding the Fourth Proportional to 215,320,835.20, 322,596,340.80 and 131,036,771.20

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Solution

The fourth proportional to 215,320,835.20, 322,596,340.80 and 131,036,771.20 is: 196,320,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,320,835.20 : 322,596,340.80 = 131,036,771.20 : x
  2. Step 2: Convert to fraction form
    215,320,835.20/322,596,340.80 = 131,036,771.20/x
  3. Step 3: Cross multiply
    215,320,835.20x = 322,596,340.80 × 131,036,771.20
  4. Step 4: Simplify right side
    215,320,835.20x = 42,271,982,899,366,824
  5. Step 5: Solve for x
    x = 42,271,982,899,366,824/215,320,835.20
  6. Step 6: Final answer
    x = 196,320,912.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.