Home / 315,284,270.82-435,105,511.92-181,322,291.66

Finding the Fourth Proportional to 315,284,270.82, 435,105,511.92 and 181,322,291.66

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Solution

The fourth proportional to 315,284,270.82, 435,105,511.92 and 181,322,291.66 is: 250,232,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,284,270.82 : 435,105,511.92 = 181,322,291.66 : x
  2. Step 2: Convert to fraction form
    315,284,270.82/435,105,511.92 = 181,322,291.66/x
  3. Step 3: Cross multiply
    315,284,270.82x = 435,105,511.92 × 181,322,291.66
  4. Step 4: Simplify right side
    315,284,270.82x = 78,894,328,533,056,320
  5. Step 5: Solve for x
    x = 78,894,328,533,056,320/315,284,270.82
  6. Step 6: Final answer
    x = 250,232,364.36

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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.