Home / 74,318,405.45-111,491,964.29-28,256,693.09

Finding the Fourth Proportional to 74,318,405.45, 111,491,964.29 and 28,256,693.09

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Solution

The fourth proportional to 74,318,405.45, 111,491,964.29 and 28,256,693.09 is: 42,390,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,318,405.45 : 111,491,964.29 = 28,256,693.09 : x
  2. Step 2: Convert to fraction form
    74,318,405.45/111,491,964.29 = 28,256,693.09/x
  3. Step 3: Cross multiply
    74,318,405.45x = 111,491,964.29 × 28,256,693.09
  4. Step 4: Simplify right side
    74,318,405.45x = 3,150,394,216,245,026.50
  5. Step 5: Solve for x
    x = 3,150,394,216,245,026.50/74,318,405.45
  6. Step 6: Final answer
    x = 42,390,497.98

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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.