Home / 279,080,252.25-418,588,436.66-74,624,270.73

Finding the Fourth Proportional to 279,080,252.25, 418,588,436.66 and 74,624,270.73

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Solution

The fourth proportional to 279,080,252.25, 418,588,436.66 and 74,624,270.73 is: 111,927,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,080,252.25 : 418,588,436.66 = 74,624,270.73 : x
  2. Step 2: Convert to fraction form
    279,080,252.25/418,588,436.66 = 74,624,270.73/x
  3. Step 3: Cross multiply
    279,080,252.25x = 418,588,436.66 × 74,624,270.73
  4. Step 4: Simplify right side
    279,080,252.25x = 31,236,856,821,390,176
  5. Step 5: Solve for x
    x = 31,236,856,821,390,176/279,080,252.25
  6. Step 6: Final answer
    x = 111,927,865.08

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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.