Home / 254,241,128.22-381,365,235.27-72,488,306.22

Finding the Fourth Proportional to 254,241,128.22, 381,365,235.27 and 72,488,306.22

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Solution

The fourth proportional to 254,241,128.22, 381,365,235.27 and 72,488,306.22 is: 108,733,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,241,128.22 : 381,365,235.27 = 72,488,306.22 : x
  2. Step 2: Convert to fraction form
    254,241,128.22/381,365,235.27 = 72,488,306.22/x
  3. Step 3: Cross multiply
    254,241,128.22x = 381,365,235.27 × 72,488,306.22
  4. Step 4: Simplify right side
    254,241,128.22x = 27,644,519,955,914,104
  5. Step 5: Solve for x
    x = 27,644,519,955,914,104/254,241,128.22
  6. Step 6: Final answer
    x = 108,733,469.48

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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.