Home / 304,107,485.12-419,677,180.68-171,945,642.64

Finding the Fourth Proportional to 304,107,485.12, 419,677,180.68 and 171,945,642.64

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Solution

The fourth proportional to 304,107,485.12, 419,677,180.68 and 171,945,642.64 is: 237,289,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,107,485.12 : 419,677,180.68 = 171,945,642.64 : x
  2. Step 2: Convert to fraction form
    304,107,485.12/419,677,180.68 = 171,945,642.64/x
  3. Step 3: Cross multiply
    304,107,485.12x = 419,677,180.68 × 171,945,642.64
  4. Step 4: Simplify right side
    304,107,485.12x = 72,161,662,533,365,984
  5. Step 5: Solve for x
    x = 72,161,662,533,365,984/304,107,485.12
  6. Step 6: Final answer
    x = 237,289,991.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.