Home / 298,227,104.94-447,366,515.31-91,012,171.62

Finding the Fourth Proportional to 298,227,104.94, 447,366,515.31 and 91,012,171.62

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Solution

The fourth proportional to 298,227,104.94, 447,366,515.31 and 91,012,171.62 is: 136,526,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,227,104.94 : 447,366,515.31 = 91,012,171.62 : x
  2. Step 2: Convert to fraction form
    298,227,104.94/447,366,515.31 = 91,012,171.62/x
  3. Step 3: Cross multiply
    298,227,104.94x = 447,366,515.31 × 91,012,171.62
  4. Step 4: Simplify right side
    298,227,104.94x = 40,715,798,068,435,080
  5. Step 5: Solve for x
    x = 40,715,798,068,435,080/298,227,104.94
  6. Step 6: Final answer
    x = 136,526,148.68

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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.