Finding the Fourth Proportional to 213,192,308.16, 294,207,413.49 and 125,087,804.64
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Solution
The fourth proportional to 213,192,308.16, 294,207,413.49 and 125,087,804.64 is: 172,622,360.44
Step by Step Solution
- Step 1: Write the proportion equation
213,192,308.16 : 294,207,413.49 = 125,087,804.64 : x - Step 2: Convert to fraction form
213,192,308.16/294,207,413.49 = 125,087,804.64/x - Step 3: Cross multiply
213,192,308.16x = 294,207,413.49 × 125,087,804.64 - Step 4: Simplify right side
213,192,308.16x = 36,801,759,462,276,824 - Step 5: Solve for x
x = 36,801,759,462,276,824/213,192,308.16 - Step 6: Final answer
x = 172,622,360.44
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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.