Home / 197,614,318.88-272,716,431.72-109,508,111.12

Finding the Fourth Proportional to 197,614,318.88, 272,716,431.72 and 109,508,111.12

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Solution

The fourth proportional to 197,614,318.88, 272,716,431.72 and 109,508,111.12 is: 151,125,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,614,318.88 : 272,716,431.72 = 109,508,111.12 : x
  2. Step 2: Convert to fraction form
    197,614,318.88/272,716,431.72 = 109,508,111.12/x
  3. Step 3: Cross multiply
    197,614,318.88x = 272,716,431.72 × 109,508,111.12
  4. Step 4: Simplify right side
    197,614,318.88x = 29,864,661,309,043,656
  5. Step 5: Solve for x
    x = 29,864,661,309,043,656/197,614,318.88
  6. Step 6: Final answer
    x = 151,125,998.76

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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.