Finding the Fourth Proportional to 202,571,506.27, 279,463,078.01 and 135,612,037.73
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Solution
The fourth proportional to 202,571,506.27, 279,463,078.01 and 135,612,037.73 is: 187,087,306.49
Step by Step Solution
- Step 1: Write the proportion equation
202,571,506.27 : 279,463,078.01 = 135,612,037.73 : x - Step 2: Convert to fraction form
202,571,506.27/279,463,078.01 = 135,612,037.73/x - Step 3: Cross multiply
202,571,506.27x = 279,463,078.01 × 135,612,037.73 - Step 4: Simplify right side
202,571,506.27x = 37,898,557,477,836,736 - Step 5: Solve for x
x = 37,898,557,477,836,736/202,571,506.27 - Step 6: Final answer
x = 187,087,306.49
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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.