Finding the Fourth Proportional to 231,410,413.14, 319,355,577.36 and 126,992,221.26
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Solution
The fourth proportional to 231,410,413.14, 319,355,577.36 and 126,992,221.26 is: 175,254,318.03
Step by Step Solution
- Step 1: Write the proportion equation
231,410,413.14 : 319,355,577.36 = 126,992,221.26 : x - Step 2: Convert to fraction form
231,410,413.14/319,355,577.36 = 126,992,221.26/x - Step 3: Cross multiply
231,410,413.14x = 319,355,577.36 × 126,992,221.26 - Step 4: Simplify right side
231,410,413.14x = 40,555,674,140,716,168 - Step 5: Solve for x
x = 40,555,674,140,716,168/231,410,413.14 - Step 6: Final answer
x = 175,254,318.03
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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.