Finding the Fourth Proportional to 202,511,105.56, 279,463,837.84 and 114,403,502.17
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Solution
The fourth proportional to 202,511,105.56, 279,463,837.84 and 114,403,502.17 is: 157,875,992.48
Step by Step Solution
- Step 1: Write the proportion equation
202,511,105.56 : 279,463,837.84 = 114,403,502.17 : x - Step 2: Convert to fraction form
202,511,105.56/279,463,837.84 = 114,403,502.17/x - Step 3: Cross multiply
202,511,105.56x = 279,463,837.84 × 114,403,502.17 - Step 4: Simplify right side
202,511,105.56x = 31,971,641,778,764,964 - Step 5: Solve for x
x = 31,971,641,778,764,964/202,511,105.56 - Step 6: Final answer
x = 157,875,992.48
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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.