Finding the Fourth Proportional to 186,659,629.38, 257,551,833.29 and 107,259,349.01
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Solution
The fourth proportional to 186,659,629.38, 257,551,833.29 and 107,259,349.01 is: 147,995,804.26
Step by Step Solution
- Step 1: Write the proportion equation
186,659,629.38 : 257,551,833.29 = 107,259,349.01 : x - Step 2: Convert to fraction form
186,659,629.38/257,551,833.29 = 107,259,349.01/x - Step 3: Cross multiply
186,659,629.38x = 257,551,833.29 × 107,259,349.01 - Step 4: Simplify right side
186,659,629.38x = 27,624,841,973,193,388 - Step 5: Solve for x
x = 27,624,841,973,193,388/186,659,629.38 - Step 6: Final answer
x = 147,995,804.26
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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.