Home / 217,169,390.60-299,691,647.52-161,663,032.52

Finding the Fourth Proportional to 217,169,390.60, 299,691,647.52 and 161,663,032.52

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Solution

The fourth proportional to 217,169,390.60, 299,691,647.52 and 161,663,032.52 is: 223,093,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,169,390.60 : 299,691,647.52 = 161,663,032.52 : x
  2. Step 2: Convert to fraction form
    217,169,390.60/299,691,647.52 = 161,663,032.52/x
  3. Step 3: Cross multiply
    217,169,390.60x = 299,691,647.52 × 161,663,032.52
  4. Step 4: Simplify right side
    217,169,390.60x = 48,449,060,558,998,136
  5. Step 5: Solve for x
    x = 48,449,060,558,998,136/217,169,390.60
  6. Step 6: Final answer
    x = 223,093,413.05

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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.