Finding the Fourth Proportional to 199,709,131.31, 275,598,974.60 and 111,603,129.08
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Solution
The fourth proportional to 199,709,131.31, 275,598,974.60 and 111,603,129.08 is: 154,012,526.79
Step by Step Solution
- Step 1: Write the proportion equation
199,709,131.31 : 275,598,974.60 = 111,603,129.08 : x - Step 2: Convert to fraction form
199,709,131.31/275,598,974.60 = 111,603,129.08/x - Step 3: Cross multiply
199,709,131.31x = 275,598,974.60 × 111,603,129.08 - Step 4: Simplify right side
199,709,131.31x = 30,757,707,936,599,444 - Step 5: Solve for x
x = 30,757,707,936,599,444/199,709,131.31 - Step 6: Final answer
x = 154,012,526.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.