Finding the Fourth Proportional to 68,297,921.20, 94,251,413.27 and 36,935,969.50
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Solution
The fourth proportional to 68,297,921.20, 94,251,413.27 and 36,935,969.50 is: 50,971,790.43
Step by Step Solution
- Step 1: Write the proportion equation
68,297,921.20 : 94,251,413.27 = 36,935,969.50 : x - Step 2: Convert to fraction form
68,297,921.20/94,251,413.27 = 36,935,969.50/x - Step 3: Cross multiply
68,297,921.20x = 94,251,413.27 × 36,935,969.50 - Step 4: Simplify right side
68,297,921.20x = 3,481,267,326,082,769 - Step 5: Solve for x
x = 3,481,267,326,082,769/68,297,921.20 - Step 6: Final answer
x = 50,971,790.43
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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.