Home / 219,603,632.94-329,393,847.94-72,031,754.15

Finding the Fourth Proportional to 219,603,632.94, 329,393,847.94 and 72,031,754.15

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Solution

The fourth proportional to 219,603,632.94, 329,393,847.94 and 72,031,754.15 is: 108,043,825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,603,632.94 : 329,393,847.94 = 72,031,754.15 : x
  2. Step 2: Convert to fraction form
    219,603,632.94/329,393,847.94 = 72,031,754.15/x
  3. Step 3: Cross multiply
    219,603,632.94x = 329,393,847.94 × 72,031,754.15
  4. Step 4: Simplify right side
    219,603,632.94x = 23,726,816,674,504,416
  5. Step 5: Solve for x
    x = 23,726,816,674,504,416/219,603,632.94
  6. Step 6: Final answer
    x = 108,043,825.86

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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.