Home / 142,476,857.80-213,715,286.70-134,540,672.20

Finding the Fourth Proportional to 142,476,857.80, 213,715,286.70 and 134,540,672.20

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Solution

The fourth proportional to 142,476,857.80, 213,715,286.70 and 134,540,672.20 is: 201,811,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,476,857.80 : 213,715,286.70 = 134,540,672.20 : x
  2. Step 2: Convert to fraction form
    142,476,857.80/213,715,286.70 = 134,540,672.20/x
  3. Step 3: Cross multiply
    142,476,857.80x = 213,715,286.70 × 134,540,672.20
  4. Step 4: Simplify right side
    142,476,857.80x = 28,753,398,332,033,716
  5. Step 5: Solve for x
    x = 28,753,398,332,033,716/142,476,857.80
  6. Step 6: Final answer
    x = 201,811,008.30

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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.