Finding the Fourth Proportional to 170,829,806.15, 235,743,958.62 and 92,511,567.42
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Solution
The fourth proportional to 170,829,806.15, 235,743,958.62 and 92,511,567.42 is: 127,665,327.34
Step by Step Solution
- Step 1: Write the proportion equation
170,829,806.15 : 235,743,958.62 = 92,511,567.42 : x - Step 2: Convert to fraction form
170,829,806.15/235,743,958.62 = 92,511,567.42/x - Step 3: Cross multiply
170,829,806.15x = 235,743,958.62 × 92,511,567.42 - Step 4: Simplify right side
170,829,806.15x = 21,809,043,121,731,820 - Step 5: Solve for x
x = 21,809,043,121,731,820/170,829,806.15 - Step 6: Final answer
x = 127,665,327.34
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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.