Home / 200,669,992.20-300,932,700.66-69,476,648.13

Finding the Fourth Proportional to 200,669,992.20, 300,932,700.66 and 69,476,648.13

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Solution

The fourth proportional to 200,669,992.20, 300,932,700.66 and 69,476,648.13 is: 104,189,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,669,992.20 : 300,932,700.66 = 69,476,648.13 : x
  2. Step 2: Convert to fraction form
    200,669,992.20/300,932,700.66 = 69,476,648.13/x
  3. Step 3: Cross multiply
    200,669,992.20x = 300,932,700.66 × 69,476,648.13
  4. Step 4: Simplify right side
    200,669,992.20x = 20,907,795,354,565,440
  5. Step 5: Solve for x
    x = 20,907,795,354,565,440/200,669,992.20
  6. Step 6: Final answer
    x = 104,189,944.52

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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.