Finding the Fourth Proportional to 87,696,538.44, 131,485,018.86 and 44,482,413.12
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Solution
The fourth proportional to 87,696,538.44, 131,485,018.86 and 44,482,413.12 is: 66,693,292.94
Step by Step Solution
- Step 1: Write the proportion equation
87,696,538.44 : 131,485,018.86 = 44,482,413.12 : x - Step 2: Convert to fraction form
87,696,538.44/131,485,018.86 = 44,482,413.12/x - Step 3: Cross multiply
87,696,538.44x = 131,485,018.86 × 44,482,413.12 - Step 4: Simplify right side
87,696,538.44x = 5,848,770,928,021,511 - Step 5: Solve for x
x = 5,848,770,928,021,511/87,696,538.44 - Step 6: Final answer
x = 66,693,292.94
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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.