Finding the Fourth Proportional to 310,771,362.83, 428,864,415.68 and 171,542,087.87
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Solution
The fourth proportional to 310,771,362.83, 428,864,415.68 and 171,542,087.87 is: 236,728,045.36
Step by Step Solution
- Step 1: Write the proportion equation
310,771,362.83 : 428,864,415.68 = 171,542,087.87 : x - Step 2: Convert to fraction form
310,771,362.83/428,864,415.68 = 171,542,087.87/x - Step 3: Cross multiply
310,771,362.83x = 428,864,415.68 × 171,542,087.87 - Step 4: Simplify right side
310,771,362.83x = 73,568,297,278,037,056 - Step 5: Solve for x
x = 73,568,297,278,037,056/310,771,362.83 - Step 6: Final answer
x = 236,728,045.36
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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.