Finding the Fourth Proportional to 77,079,163.42, 106,359,413.20 and 44,041,551.67
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Solution
The fourth proportional to 77,079,163.42, 106,359,413.20 and 44,041,551.67 is: 60,771,723.31
Step by Step Solution
- Step 1: Write the proportion equation
77,079,163.42 : 106,359,413.20 = 44,041,551.67 : x - Step 2: Convert to fraction form
77,079,163.42/106,359,413.20 = 44,041,551.67/x - Step 3: Cross multiply
77,079,163.42x = 106,359,413.20 × 44,041,551.67 - Step 4: Simplify right side
77,079,163.42x = 4,684,233,592,038,680 - Step 5: Solve for x
x = 4,684,233,592,038,680/77,079,163.42 - Step 6: Final answer
x = 60,771,723.31
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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.