Finding the Fourth Proportional to 135,040,057.53, 186,356,174.09 and 73,160,396.12
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Solution
The fourth proportional to 135,040,057.53, 186,356,174.09 and 73,160,396.12 is: 100,961,831.36
Step by Step Solution
- Step 1: Write the proportion equation
135,040,057.53 : 186,356,174.09 = 73,160,396.12 : x - Step 2: Convert to fraction form
135,040,057.53/186,356,174.09 = 73,160,396.12/x - Step 3: Cross multiply
135,040,057.53x = 186,356,174.09 × 73,160,396.12 - Step 4: Simplify right side
135,040,057.53x = 13,633,891,514,534,498 - Step 5: Solve for x
x = 13,633,891,514,534,498/135,040,057.53 - Step 6: Final answer
x = 100,961,831.36
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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.