Home / 254,241,127.47-381,365,234.15-72,488,305.47

Finding the Fourth Proportional to 254,241,127.47, 381,365,234.15 and 72,488,305.47

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Solution

The fourth proportional to 254,241,127.47, 381,365,234.15 and 72,488,305.47 is: 108,733,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,241,127.47 : 381,365,234.15 = 72,488,305.47 : x
  2. Step 2: Convert to fraction form
    254,241,127.47/381,365,234.15 = 72,488,305.47/x
  3. Step 3: Cross multiply
    254,241,127.47x = 381,365,234.15 × 72,488,305.47
  4. Step 4: Simplify right side
    254,241,127.47x = 27,644,519,588,340,832
  5. Step 5: Solve for x
    x = 27,644,519,588,340,832/254,241,127.47
  6. Step 6: Final answer
    x = 108,733,468.36

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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.