Home / 311,446,978.20-467,170,467.30-81,439,313.40

Finding the Fourth Proportional to 311,446,978.20, 467,170,467.30 and 81,439,313.40

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Solution

The fourth proportional to 311,446,978.20, 467,170,467.30 and 81,439,313.40 is: 122,158,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,446,978.20 : 467,170,467.30 = 81,439,313.40 : x
  2. Step 2: Convert to fraction form
    311,446,978.20/467,170,467.30 = 81,439,313.40/x
  3. Step 3: Cross multiply
    311,446,978.20x = 467,170,467.30 × 81,439,313.40
  4. Step 4: Simplify right side
    311,446,978.20x = 38,046,042,097,669,152
  5. Step 5: Solve for x
    x = 38,046,042,097,669,152/311,446,978.20
  6. Step 6: Final answer
    x = 122,158,970.10

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