Finding the Fourth Proportional to 125,435,193.93, 173,105,485.47 and 85,825,803.99
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Solution
The fourth proportional to 125,435,193.93, 173,105,485.47 and 85,825,803.99 is: 118,442,974.42
Step by Step Solution
- Step 1: Write the proportion equation
125,435,193.93 : 173,105,485.47 = 85,825,803.99 : x - Step 2: Convert to fraction form
125,435,193.93/173,105,485.47 = 85,825,803.99/x - Step 3: Cross multiply
125,435,193.93x = 173,105,485.47 × 85,825,803.99 - Step 4: Simplify right side
125,435,193.93x = 14,856,917,465,542,012 - Step 5: Solve for x
x = 14,856,917,465,542,012/125,435,193.93 - Step 6: Final answer
x = 118,442,974.42
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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.