Finding the Fourth Proportional to 49,425,643.48, 68,207,386.53 and 27,399,087.08
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Solution
The fourth proportional to 49,425,643.48, 68,207,386.53 and 27,399,087.08 is: 37,810,739.36
Step by Step Solution
- Step 1: Write the proportion equation
49,425,643.48 : 68,207,386.53 = 27,399,087.08 : x - Step 2: Convert to fraction form
49,425,643.48/68,207,386.53 = 27,399,087.08/x - Step 3: Cross multiply
49,425,643.48x = 68,207,386.53 × 27,399,087.08 - Step 4: Simplify right side
49,425,643.48x = 1,868,820,123,204,649.75 - Step 5: Solve for x
x = 1,868,820,123,204,649.75/49,425,643.48 - Step 6: Final answer
x = 37,810,739.36
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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.