Home / 254,238,625.95-381,361,481.99-72,485,803.95

Finding the Fourth Proportional to 254,238,625.95, 381,361,481.99 and 72,485,803.95

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Solution

The fourth proportional to 254,238,625.95, 381,361,481.99 and 72,485,803.95 is: 108,729,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,238,625.95 : 381,361,481.99 = 72,485,803.95 : x
  2. Step 2: Convert to fraction form
    254,238,625.95/381,361,481.99 = 72,485,803.95/x
  3. Step 3: Cross multiply
    254,238,625.95x = 381,361,481.99 × 72,485,803.95
  4. Step 4: Simplify right side
    254,238,625.95x = 27,643,293,617,246,168
  5. Step 5: Solve for x
    x = 27,643,293,617,246,168/254,238,625.95
  6. Step 6: Final answer
    x = 108,729,716.08

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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.