Home / 352,203,379.16-486,085,503.45-212,975,137.37

Finding the Fourth Proportional to 352,203,379.16, 486,085,503.45 and 212,975,137.37

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Solution

The fourth proportional to 352,203,379.16, 486,085,503.45 and 212,975,137.37 is: 293,932,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,203,379.16 : 486,085,503.45 = 212,975,137.37 : x
  2. Step 2: Convert to fraction form
    352,203,379.16/486,085,503.45 = 212,975,137.37/x
  3. Step 3: Cross multiply
    352,203,379.16x = 486,085,503.45 × 212,975,137.37
  4. Step 4: Simplify right side
    352,203,379.16x = 103,524,126,868,398,928
  5. Step 5: Solve for x
    x = 103,524,126,868,398,928/352,203,379.16
  6. Step 6: Final answer
    x = 293,932,804.16

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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.