Finding the Fourth Proportional to 57,469,338.79, 86,230,912.47 and 25,117,037.68
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Solution
The fourth proportional to 57,469,338.79, 86,230,912.47 and 25,117,037.68 is: 37,687,315.07
Step by Step Solution
- Step 1: Write the proportion equation
57,469,338.79 : 86,230,912.47 = 25,117,037.68 : x - Step 2: Convert to fraction form
57,469,338.79/86,230,912.47 = 25,117,037.68/x - Step 3: Cross multiply
57,469,338.79x = 86,230,912.47 × 25,117,037.68 - Step 4: Simplify right side
57,469,338.79x = 2,165,865,077,689,771.75 - Step 5: Solve for x
x = 2,165,865,077,689,771.75/57,469,338.79 - Step 6: Final answer
x = 37,687,315.07
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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.