Home / 212,653,431.27-319,026,995.55-65,102,107.19

Finding the Fourth Proportional to 212,653,431.27, 319,026,995.55 and 65,102,107.19

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Solution

The fourth proportional to 212,653,431.27, 319,026,995.55 and 65,102,107.19 is: 97,667,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,653,431.27 : 319,026,995.55 = 65,102,107.19 : x
  2. Step 2: Convert to fraction form
    212,653,431.27/319,026,995.55 = 65,102,107.19/x
  3. Step 3: Cross multiply
    212,653,431.27x = 319,026,995.55 × 65,102,107.19
  4. Step 4: Simplify right side
    212,653,431.27x = 20,769,329,659,204,620
  5. Step 5: Solve for x
    x = 20,769,329,659,204,620/212,653,431.27
  6. Step 6: Final answer
    x = 97,667,503.11

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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.