Finding the Fourth Proportional to 135,801,018.15, 203,716,102.91 and 58,085,997.99
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Solution
The fourth proportional to 135,801,018.15, 203,716,102.91 and 58,085,997.99 is: 87,135,231.42
Step by Step Solution
- Step 1: Write the proportion equation
135,801,018.15 : 203,716,102.91 = 58,085,997.99 : x - Step 2: Convert to fraction form
135,801,018.15/203,716,102.91 = 58,085,997.99/x - Step 3: Cross multiply
135,801,018.15x = 203,716,102.91 × 58,085,997.99 - Step 4: Simplify right side
135,801,018.15x = 11,833,053,143,870,464 - Step 5: Solve for x
x = 11,833,053,143,870,464/135,801,018.15 - Step 6: Final answer
x = 87,135,231.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.