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Finding the Fourth Proportional to 183,751,968.69, 253,574,509.97 and 100,120,791.56

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Solution

The fourth proportional to 183,751,968.69, 253,574,509.97 and 100,120,791.56 is: 138,164,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,751,968.69 : 253,574,509.97 = 100,120,791.56 : x
  2. Step 2: Convert to fraction form
    183,751,968.69/253,574,509.97 = 100,120,791.56/x
  3. Step 3: Cross multiply
    183,751,968.69x = 253,574,509.97 × 100,120,791.56
  4. Step 4: Simplify right side
    183,751,968.69x = 25,388,080,656,617,944
  5. Step 5: Solve for x
    x = 25,388,080,656,617,944/183,751,968.69
  6. Step 6: Final answer
    x = 138,164,945.05

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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.