Finding the Fourth Proportional to 100,367,891.99, 150,560,804.69 and 31,281,280.97
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Solution
The fourth proportional to 100,367,891.99, 150,560,804.69 and 31,281,280.97 is: 46,924,716.08
Step by Step Solution
- Step 1: Write the proportion equation
100,367,891.99 : 150,560,804.69 = 31,281,280.97 : x - Step 2: Convert to fraction form
100,367,891.99/150,560,804.69 = 31,281,280.97/x - Step 3: Cross multiply
100,367,891.99x = 150,560,804.69 × 31,281,280.97 - Step 4: Simplify right side
100,367,891.99x = 4,709,734,835,031,789 - Step 5: Solve for x
x = 4,709,734,835,031,789/100,367,891.99 - Step 6: Final answer
x = 46,924,716.08
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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.