Home / 108,115,198.58-149,201,383.11-61,704,521.30

Finding the Fourth Proportional to 108,115,198.58, 149,201,383.11 and 61,704,521.30

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Solution

The fourth proportional to 108,115,198.58, 149,201,383.11 and 61,704,521.30 is: 85,153,614.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115,198.58 : 149,201,383.11 = 61,704,521.30 : x
  2. Step 2: Convert to fraction form
    108,115,198.58/149,201,383.11 = 61,704,521.30/x
  3. Step 3: Cross multiply
    108,115,198.58x = 149,201,383.11 × 61,704,521.30
  4. Step 4: Simplify right side
    108,115,198.58x = 9,206,399,922,242,066
  5. Step 5: Solve for x
    x = 9,206,399,922,242,066/108,115,198.58
  6. Step 6: Final answer
    x = 85,153,614.32

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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.