Finding the Fourth Proportional to 277,995,478.87, 417,017,453.37 and 91,193,413.60
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Solution
The fourth proportional to 277,995,478.87, 417,017,453.37 and 91,193,413.60 is: 136,798,070.45
Step by Step Solution
- Step 1: Write the proportion equation
277,995,478.87 : 417,017,453.37 = 91,193,413.60 : x - Step 2: Convert to fraction form
277,995,478.87/417,017,453.37 = 91,193,413.60/x - Step 3: Cross multiply
277,995,478.87x = 417,017,453.37 × 91,193,413.60 - Step 4: Simplify right side
277,995,478.87x = 38,029,245,103,589,120 - Step 5: Solve for x
x = 38,029,245,103,589,120/277,995,478.87 - Step 6: Final answer
x = 136,798,070.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.