Home / 196,139,879.08-270,673,020.30-113,681,493.52

Finding the Fourth Proportional to 196,139,879.08, 270,673,020.30 and 113,681,493.52

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Solution

The fourth proportional to 196,139,879.08, 270,673,020.30 and 113,681,493.52 is: 156,880,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,139,879.08 : 270,673,020.30 = 113,681,493.52 : x
  2. Step 2: Convert to fraction form
    196,139,879.08/270,673,020.30 = 113,681,493.52/x
  3. Step 3: Cross multiply
    196,139,879.08x = 270,673,020.30 × 113,681,493.52
  4. Step 4: Simplify right side
    196,139,879.08x = 30,770,513,203,273,280
  5. Step 5: Solve for x
    x = 30,770,513,203,273,280/196,139,879.08
  6. Step 6: Final answer
    x = 156,880,453.62

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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.