Finding the Fourth Proportional to 91,707,432.36, 126,556,252.38 and 50,453,439
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Solution
The fourth proportional to 91,707,432.36, 126,556,252.38 and 50,453,439 is: 69,625,743.47
Step by Step Solution
- Step 1: Write the proportion equation
91,707,432.36 : 126,556,252.38 = 50,453,439 : x - Step 2: Convert to fraction form
91,707,432.36/126,556,252.38 = 50,453,439/x - Step 3: Cross multiply
91,707,432.36x = 126,556,252.38 × 50,453,439 - Step 4: Simplify right side
91,707,432.36x = 6,385,198,159,522,935 - Step 5: Solve for x
x = 6,385,198,159,522,935/91,707,432.36 - Step 6: Final answer
x = 69,625,743.47
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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.