Finding the Fourth Proportional to 99,793,609.20, 149,690,413.80 and 48,708,399.60
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Solution
The fourth proportional to 99,793,609.20, 149,690,413.80 and 48,708,399.60 is: 73,062,599.40
Step by Step Solution
- Step 1: Write the proportion equation
99,793,609.20 : 149,690,413.80 = 48,708,399.60 : x - Step 2: Convert to fraction form
99,793,609.20/149,690,413.80 = 48,708,399.60/x - Step 3: Cross multiply
99,793,609.20x = 149,690,413.80 × 48,708,399.60 - Step 4: Simplify right side
99,793,609.20x = 7,291,180,491,659,755 - Step 5: Solve for x
x = 7,291,180,491,659,755/99,793,609.20 - Step 6: Final answer
x = 73,062,599.40
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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.