Home / 216,344,496.40-298,555,667.40-117,225,165.44

Finding the Fourth Proportional to 216,344,496.40, 298,555,667.40 and 117,225,165.44

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Solution

The fourth proportional to 216,344,496.40, 298,555,667.40 and 117,225,165.44 is: 161,770,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,344,496.40 : 298,555,667.40 = 117,225,165.44 : x
  2. Step 2: Convert to fraction form
    216,344,496.40/298,555,667.40 = 117,225,165.44/x
  3. Step 3: Cross multiply
    216,344,496.40x = 298,555,667.40 × 117,225,165.44
  4. Step 4: Simplify right side
    216,344,496.40x = 34,998,237,504,014,612
  5. Step 5: Solve for x
    x = 34,998,237,504,014,612/216,344,496.40
  6. Step 6: Final answer
    x = 161,770,870.47

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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.