Finding the Fourth Proportional to 109,571,683.09, 164,318,756.79 and 31,832,413.64
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Solution
The fourth proportional to 109,571,683.09, 164,318,756.79 and 31,832,413.64 is: 47,737,357.75
Step by Step Solution
- Step 1: Write the proportion equation
109,571,683.09 : 164,318,756.79 = 31,832,413.64 : x - Step 2: Convert to fraction form
109,571,683.09/164,318,756.79 = 31,832,413.64/x - Step 3: Cross multiply
109,571,683.09x = 164,318,756.79 × 31,832,413.64 - Step 4: Simplify right side
109,571,683.09x = 5,230,662,634,949,838 - Step 5: Solve for x
x = 5,230,662,634,949,838/109,571,683.09 - Step 6: Final answer
x = 47,737,357.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.