Home / 47,942,551.14-71,965,002.87-20,662,306.98

Finding the Fourth Proportional to 47,942,551.14, 71,965,002.87 and 20,662,306.98

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Solution

The fourth proportional to 47,942,551.14, 71,965,002.87 and 20,662,306.98 is: 31,015,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942,551.14 : 71,965,002.87 = 20,662,306.98 : x
  2. Step 2: Convert to fraction form
    47,942,551.14/71,965,002.87 = 20,662,306.98/x
  3. Step 3: Cross multiply
    47,942,551.14x = 71,965,002.87 × 20,662,306.98
  4. Step 4: Simplify right side
    47,942,551.14x = 1,486,962,981,116,521.25
  5. Step 5: Solve for x
    x = 1,486,962,981,116,521.25/47,942,551.14
  6. Step 6: Final answer
    x = 31,015,516.40

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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.