Home / 216,442,371.94-324,469,145.86-105,715,394.01

Finding the Fourth Proportional to 216,442,371.94, 324,469,145.86 and 105,715,394.01

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Solution

The fourth proportional to 216,442,371.94, 324,469,145.86 and 105,715,394.01 is: 158,478,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,442,371.94 : 324,469,145.86 = 105,715,394.01 : x
  2. Step 2: Convert to fraction form
    216,442,371.94/324,469,145.86 = 105,715,394.01/x
  3. Step 3: Cross multiply
    216,442,371.94x = 324,469,145.86 × 105,715,394.01
  4. Step 4: Simplify right side
    216,442,371.94x = 34,301,383,598,413,776
  5. Step 5: Solve for x
    x = 34,301,383,598,413,776/216,442,371.94
  6. Step 6: Final answer
    x = 158,478,135.73

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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.