Home / 218,271,208.20-327,452,301.90-72,749,977.80

Finding the Fourth Proportional to 218,271,208.20, 327,452,301.90 and 72,749,977.80

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Solution

The fourth proportional to 218,271,208.20, 327,452,301.90 and 72,749,977.80 is: 109,140,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,271,208.20 : 327,452,301.90 = 72,749,977.80 : x
  2. Step 2: Convert to fraction form
    218,271,208.20/327,452,301.90 = 72,749,977.80/x
  3. Step 3: Cross multiply
    218,271,208.20x = 327,452,301.90 × 72,749,977.80
  4. Step 4: Simplify right side
    218,271,208.20x = 23,822,147,693,783,896
  5. Step 5: Solve for x
    x = 23,822,147,693,783,896/218,271,208.20
  6. Step 6: Final answer
    x = 109,140,128.42

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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.