Finding the Fourth Proportional to 88,006,627.08, 121,443,421.80 and 48,848,413.92
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Solution
The fourth proportional to 88,006,627.08, 121,443,421.80 and 48,848,413.92 is: 67,407,634.32
Step by Step Solution
- Step 1: Write the proportion equation
88,006,627.08 : 121,443,421.80 = 48,848,413.92 : x - Step 2: Convert to fraction form
88,006,627.08/121,443,421.80 = 48,848,413.92/x - Step 3: Cross multiply
88,006,627.08x = 121,443,421.80 × 48,848,413.92 - Step 4: Simplify right side
88,006,627.08x = 5,932,318,535,947,552 - Step 5: Solve for x
x = 5,932,318,535,947,552/88,006,627.08 - Step 6: Final answer
x = 67,407,634.32
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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.