Finding the Fourth Proportional to 202,571,516.10, 279,463,090.41 and 135,612,046.32
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Solution
The fourth proportional to 202,571,516.10, 279,463,090.41 and 135,612,046.32 is: 187,087,317.56
Step by Step Solution
- Step 1: Write the proportion equation
202,571,516.10 : 279,463,090.41 = 135,612,046.32 : x - Step 2: Convert to fraction form
202,571,516.10/279,463,090.41 = 135,612,046.32/x - Step 3: Cross multiply
202,571,516.10x = 279,463,090.41 × 135,612,046.32 - Step 4: Simplify right side
202,571,516.10x = 37,898,561,561,148,576 - Step 5: Solve for x
x = 37,898,561,561,148,576/202,571,516.10 - Step 6: Final answer
x = 187,087,317.56
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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.