Finding the Fourth Proportional to 146,433,841.44, 202,173,362.64 and 90,738,362.40
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Solution
The fourth proportional to 146,433,841.44, 202,173,362.64 and 90,738,362.40 is: 125,277,597.49
Step by Step Solution
- Step 1: Write the proportion equation
146,433,841.44 : 202,173,362.64 = 90,738,362.40 : x - Step 2: Convert to fraction form
146,433,841.44/202,173,362.64 = 90,738,362.40/x - Step 3: Cross multiply
146,433,841.44x = 202,173,362.64 × 90,738,362.40 - Step 4: Simplify right side
146,433,841.44x = 18,344,879,846,854,940 - Step 5: Solve for x
x = 18,344,879,846,854,940/146,433,841.44 - Step 6: Final answer
x = 125,277,597.49
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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.