Finding the Fourth Proportional to 104,246,371.41, 143,859,597.79 and 57,204,231.97
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Solution
The fourth proportional to 104,246,371.41, 143,859,597.79 and 57,204,231.97 is: 78,941,623.50
Step by Step Solution
- Step 1: Write the proportion equation
104,246,371.41 : 143,859,597.79 = 57,204,231.97 : x - Step 2: Convert to fraction form
104,246,371.41/143,859,597.79 = 57,204,231.97/x - Step 3: Cross multiply
104,246,371.41x = 143,859,597.79 × 57,204,231.97 - Step 4: Simplify right side
104,246,371.41x = 8,229,377,803,369,117 - Step 5: Solve for x
x = 8,229,377,803,369,117/104,246,371.41 - Step 6: Final answer
x = 78,941,623.50
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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.