Home / 196,338,143.73-270,948,506.93-108,235,301.32

Finding the Fourth Proportional to 196,338,143.73, 270,948,506.93 and 108,235,301.32

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Solution

The fourth proportional to 196,338,143.73, 270,948,506.93 and 108,235,301.32 is: 149,365,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,338,143.73 : 270,948,506.93 = 108,235,301.32 : x
  2. Step 2: Convert to fraction form
    196,338,143.73/270,948,506.93 = 108,235,301.32/x
  3. Step 3: Cross multiply
    196,338,143.73x = 270,948,506.93 × 108,235,301.32
  4. Step 4: Simplify right side
    196,338,143.73x = 29,326,193,289,772,656
  5. Step 5: Solve for x
    x = 29,326,193,289,772,656/196,338,143.73
  6. Step 6: Final answer
    x = 149,365,745.91

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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.