Home / 254,196,306.80-381,294,460.20-72,419,865.20

Finding the Fourth Proportional to 254,196,306.80, 381,294,460.20 and 72,419,865.20

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Solution

The fourth proportional to 254,196,306.80, 381,294,460.20 and 72,419,865.20 is: 108,629,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,196,306.80 : 381,294,460.20 = 72,419,865.20 : x
  2. Step 2: Convert to fraction form
    254,196,306.80/381,294,460.20 = 72,419,865.20/x
  3. Step 3: Cross multiply
    254,196,306.80x = 381,294,460.20 × 72,419,865.20
  4. Step 4: Simplify right side
    254,196,306.80x = 27,613,293,409,190,764
  5. Step 5: Solve for x
    x = 27,613,293,409,190,764/254,196,306.80
  6. Step 6: Final answer
    x = 108,629,797.80

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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.