Finding the Fourth Proportional to 271,272,012.15, 406,927,629.97 and 113,546,397.17
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Solution
The fourth proportional to 271,272,012.15, 406,927,629.97 and 113,546,397.17 is: 170,327,804.65
Step by Step Solution
- Step 1: Write the proportion equation
271,272,012.15 : 406,927,629.97 = 113,546,397.17 : x - Step 2: Convert to fraction form
271,272,012.15/406,927,629.97 = 113,546,397.17/x - Step 3: Cross multiply
271,272,012.15x = 406,927,629.97 × 113,546,397.17 - Step 4: Simplify right side
271,272,012.15x = 46,205,166,293,215,272 - Step 5: Solve for x
x = 46,205,166,293,215,272/271,272,012.15 - Step 6: Final answer
x = 170,327,804.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.