Finding the Fourth Proportional to 66,087,067.95, 91,202,615.07 and 39,629,729.29
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Solution
The fourth proportional to 66,087,067.95, 91,202,615.07 and 39,629,729.29 is: 54,690,502.36
Step by Step Solution
- Step 1: Write the proportion equation
66,087,067.95 : 91,202,615.07 = 39,629,729.29 : x - Step 2: Convert to fraction form
66,087,067.95/91,202,615.07 = 39,629,729.29/x - Step 3: Cross multiply
66,087,067.95x = 91,202,615.07 × 39,629,729.29 - Step 4: Simplify right side
66,087,067.95x = 3,614,334,945,764,174 - Step 5: Solve for x
x = 3,614,334,945,764,174/66,087,067.95 - Step 6: Final answer
x = 54,690,502.36
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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.