Home / 304,107,484.12-419,677,179.30-171,945,641.64

Finding the Fourth Proportional to 304,107,484.12, 419,677,179.30 and 171,945,641.64

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Solution

The fourth proportional to 304,107,484.12, 419,677,179.30 and 171,945,641.64 is: 237,289,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,107,484.12 : 419,677,179.30 = 171,945,641.64 : x
  2. Step 2: Convert to fraction form
    304,107,484.12/419,677,179.30 = 171,945,641.64/x
  3. Step 3: Cross multiply
    304,107,484.12x = 419,677,179.30 × 171,945,641.64
  4. Step 4: Simplify right side
    304,107,484.12x = 72,161,661,876,403,824
  5. Step 5: Solve for x
    x = 72,161,661,876,403,824/304,107,484.12
  6. Step 6: Final answer
    x = 237,289,990.04

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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.