Finding the Fourth Proportional to 71,286,634.97, 98,375,629.07 and 38,691,593.69
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Solution
The fourth proportional to 71,286,634.97, 98,375,629.07 and 38,691,593.69 is: 53,394,438.81
Step by Step Solution
- Step 1: Write the proportion equation
71,286,634.97 : 98,375,629.07 = 38,691,593.69 : x - Step 2: Convert to fraction form
71,286,634.97/98,375,629.07 = 38,691,593.69/x - Step 3: Cross multiply
71,286,634.97x = 98,375,629.07 × 38,691,593.69 - Step 4: Simplify right side
71,286,634.97x = 3,806,309,868,781,134.50 - Step 5: Solve for x
x = 3,806,309,868,781,134.50/71,286,634.97 - Step 6: Final answer
x = 53,394,438.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.