Home / 254,196,001.80-381,294,002.70-72,419,560.20

Finding the Fourth Proportional to 254,196,001.80, 381,294,002.70 and 72,419,560.20

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Solution

The fourth proportional to 254,196,001.80, 381,294,002.70 and 72,419,560.20 is: 108,629,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,196,001.80 : 381,294,002.70 = 72,419,560.20 : x
  2. Step 2: Convert to fraction form
    254,196,001.80/381,294,002.70 = 72,419,560.20/x
  3. Step 3: Cross multiply
    254,196,001.80x = 381,294,002.70 × 72,419,560.20
  4. Step 4: Simplify right side
    254,196,001.80x = 27,613,143,982,431,612
  5. Step 5: Solve for x
    x = 27,613,143,982,431,612/254,196,001.80
  6. Step 6: Final answer
    x = 108,629,340.30

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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.