Home / 307,886,413.50-424,542,780.90-196,200,333

Finding the Fourth Proportional to 307,886,413.50, 424,542,780.90 and 196,200,333

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Solution

The fourth proportional to 307,886,413.50, 424,542,780.90 and 196,200,333 is: 270,539,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,886,413.50 : 424,542,780.90 = 196,200,333 : x
  2. Step 2: Convert to fraction form
    307,886,413.50/424,542,780.90 = 196,200,333/x
  3. Step 3: Cross multiply
    307,886,413.50x = 424,542,780.90 × 196,200,333
  4. Step 4: Simplify right side
    307,886,413.50x = 83,295,434,985,326,032
  5. Step 5: Solve for x
    x = 83,295,434,985,326,032/307,886,413.50
  6. Step 6: Final answer
    x = 270,539,495.52

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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.