Finding the Fourth Proportional to 188,440,109.80, 282,450,212.70 and 73,386,413.80
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Solution
The fourth proportional to 188,440,109.80, 282,450,212.70 and 73,386,413.80 is: 109,997,856.66
Step by Step Solution
- Step 1: Write the proportion equation
188,440,109.80 : 282,450,212.70 = 73,386,413.80 : x - Step 2: Convert to fraction form
188,440,109.80/282,450,212.70 = 73,386,413.80/x - Step 3: Cross multiply
188,440,109.80x = 282,450,212.70 × 73,386,413.80 - Step 4: Simplify right side
188,440,109.80x = 20,728,008,187,100,212 - Step 5: Solve for x
x = 20,728,008,187,100,212/188,440,109.80 - Step 6: Final answer
x = 109,997,856.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.