Home / 196,196,949.27-270,764,019.69-108,090,928.71

Finding the Fourth Proportional to 196,196,949.27, 270,764,019.69 and 108,090,928.71

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Solution

The fourth proportional to 196,196,949.27, 270,764,019.69 and 108,090,928.71 is: 149,172,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,196,949.27 : 270,764,019.69 = 108,090,928.71 : x
  2. Step 2: Convert to fraction form
    196,196,949.27/270,764,019.69 = 108,090,928.71/x
  3. Step 3: Cross multiply
    196,196,949.27x = 270,764,019.69 × 108,090,928.71
  4. Step 4: Simplify right side
    196,196,949.27x = 29,267,134,349,544,824
  5. Step 5: Solve for x
    x = 29,267,134,349,544,824/196,196,949.27
  6. Step 6: Final answer
    x = 149,172,219.34

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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.