Finding the Fourth Proportional to 99,747,796.07, 137,576,202.94 and 85,832,469.11
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Solution
The fourth proportional to 99,747,796.07, 137,576,202.94 and 85,832,469.11 is: 118,383,620.03
Step by Step Solution
- Step 1: Write the proportion equation
99,747,796.07 : 137,576,202.94 = 85,832,469.11 : x - Step 2: Convert to fraction form
99,747,796.07/137,576,202.94 = 85,832,469.11/x - Step 3: Cross multiply
99,747,796.07x = 137,576,202.94 × 85,832,469.11 - Step 4: Simplify right side
99,747,796.07x = 11,808,505,189,569,872 - Step 5: Solve for x
x = 11,808,505,189,569,872/99,747,796.07 - Step 6: Final answer
x = 118,383,620.03
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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.