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Finding the Fourth Proportional to 355,419,454.08, 533,185,978.95 and 109,718,336.55

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Solution

The fourth proportional to 355,419,454.08, 533,185,978.95 and 109,718,336.55 is: 164,595,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,419,454.08 : 533,185,978.95 = 109,718,336.55 : x
  2. Step 2: Convert to fraction form
    355,419,454.08/533,185,978.95 = 109,718,336.55/x
  3. Step 3: Cross multiply
    355,419,454.08x = 533,185,978.95 × 109,718,336.55
  4. Step 4: Simplify right side
    355,419,454.08x = 58,500,278,682,177,312
  5. Step 5: Solve for x
    x = 58,500,278,682,177,312/355,419,454.08
  6. Step 6: Final answer
    x = 164,595,038.37

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