Finding the Fourth Proportional to 125,715,025.44, 173,485,478.16 and 69,959,491.92
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Solution
The fourth proportional to 125,715,025.44, 173,485,478.16 and 69,959,491.92 is: 96,543,399.37
Step by Step Solution
- Step 1: Write the proportion equation
125,715,025.44 : 173,485,478.16 = 69,959,491.92 : x - Step 2: Convert to fraction form
125,715,025.44/173,485,478.16 = 69,959,491.92/x - Step 3: Cross multiply
125,715,025.44x = 173,485,478.16 × 69,959,491.92 - Step 4: Simplify right side
125,715,025.44x = 12,136,955,907,571,856 - Step 5: Solve for x
x = 12,136,955,907,571,856/125,715,025.44 - Step 6: Final answer
x = 96,543,399.37
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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.