Home / 154,557,299.52-213,294,188.44-84,945,147.84

Finding the Fourth Proportional to 154,557,299.52, 213,294,188.44 and 84,945,147.84

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Solution

The fourth proportional to 154,557,299.52, 213,294,188.44 and 84,945,147.84 is: 117,227,115.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557,299.52 : 213,294,188.44 = 84,945,147.84 : x
  2. Step 2: Convert to fraction form
    154,557,299.52/213,294,188.44 = 84,945,147.84/x
  3. Step 3: Cross multiply
    154,557,299.52x = 213,294,188.44 × 84,945,147.84
  4. Step 4: Simplify right side
    154,557,299.52x = 18,118,306,370,448,620
  5. Step 5: Solve for x
    x = 18,118,306,370,448,620/154,557,299.52
  6. Step 6: Final answer
    x = 117,227,115.29

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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.