Home / 129,301,936.11-178,538,341.32-104,104,003.27

Finding the Fourth Proportional to 129,301,936.11, 178,538,341.32 and 104,104,003.27

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Solution

The fourth proportional to 129,301,936.11, 178,538,341.32 and 104,104,003.27 is: 143,745,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,301,936.11 : 178,538,341.32 = 104,104,003.27 : x
  2. Step 2: Convert to fraction form
    129,301,936.11/178,538,341.32 = 104,104,003.27/x
  3. Step 3: Cross multiply
    129,301,936.11x = 178,538,341.32 × 104,104,003.27
  4. Step 4: Simplify right side
    129,301,936.11x = 18,586,556,068,597,656
  5. Step 5: Solve for x
    x = 18,586,556,068,597,656/129,301,936.11
  6. Step 6: Final answer
    x = 143,745,380.99

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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.