Home / 254,241,137.72-381,365,249.54-72,488,315.72

Finding the Fourth Proportional to 254,241,137.72, 381,365,249.54 and 72,488,315.72

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Solution

The fourth proportional to 254,241,137.72, 381,365,249.54 and 72,488,315.72 is: 108,733,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,241,137.72 : 381,365,249.54 = 72,488,315.72 : x
  2. Step 2: Convert to fraction form
    254,241,137.72/381,365,249.54 = 72,488,315.72/x
  3. Step 3: Cross multiply
    254,241,137.72x = 381,365,249.54 × 72,488,315.72
  4. Step 4: Simplify right side
    254,241,137.72x = 27,644,524,613,292,104
  5. Step 5: Solve for x
    x = 27,644,524,613,292,104/254,241,137.72
  6. Step 6: Final answer
    x = 108,733,483.74

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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.