Finding the Fourth Proportional to 287,283,512.37, 430,985,859.36 and 93,179,853.88
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Solution
The fourth proportional to 287,283,512.37, 430,985,859.36 and 93,179,853.88 is: 139,789,433.33
Step by Step Solution
- Step 1: Write the proportion equation
287,283,512.37 : 430,985,859.36 = 93,179,853.88 : x - Step 2: Convert to fraction form
287,283,512.37/430,985,859.36 = 93,179,853.88/x - Step 3: Cross multiply
287,283,512.37x = 430,985,859.36 × 93,179,853.88 - Step 4: Simplify right side
287,283,512.37x = 40,159,199,399,511,032 - Step 5: Solve for x
x = 40,159,199,399,511,032/287,283,512.37 - Step 6: Final answer
x = 139,789,433.33
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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.