Home / 111,622,276.80-167,433,415.20-81,389,188.80

Finding the Fourth Proportional to 111,622,276.80, 167,433,415.20 and 81,389,188.80

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Solution

The fourth proportional to 111,622,276.80, 167,433,415.20 and 81,389,188.80 is: 122,083,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,622,276.80 : 167,433,415.20 = 81,389,188.80 : x
  2. Step 2: Convert to fraction form
    111,622,276.80/167,433,415.20 = 81,389,188.80/x
  3. Step 3: Cross multiply
    111,622,276.80x = 167,433,415.20 × 81,389,188.80
  4. Step 4: Simplify right side
    111,622,276.80x = 13,627,269,841,141,588
  5. Step 5: Solve for x
    x = 13,627,269,841,141,588/111,622,276.80
  6. Step 6: Final answer
    x = 122,083,783.20

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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.