Home / 111,622,200.30-167,433,300.45-81,389,112.30

Finding the Fourth Proportional to 111,622,200.30, 167,433,300.45 and 81,389,112.30

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Solution

The fourth proportional to 111,622,200.30, 167,433,300.45 and 81,389,112.30 is: 122,083,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,622,200.30 : 167,433,300.45 = 81,389,112.30 : x
  2. Step 2: Convert to fraction form
    111,622,200.30/167,433,300.45 = 81,389,112.30/x
  3. Step 3: Cross multiply
    111,622,200.30x = 167,433,300.45 × 81,389,112.30
  4. Step 4: Simplify right side
    111,622,200.30x = 13,627,247,693,084,690
  5. Step 5: Solve for x
    x = 13,627,247,693,084,690/111,622,200.30
  6. Step 6: Final answer
    x = 122,083,668.45

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1.5x scale

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.