Finding the Fourth Proportional to 66,280,726, 99,424,631.94 and 20,846,063.44
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Solution
The fourth proportional to 66,280,726, 99,424,631.94 and 20,846,063.44 is: 31,270,209.46
Step by Step Solution
- Step 1: Write the proportion equation
66,280,726 : 99,424,631.94 = 20,846,063.44 : x - Step 2: Convert to fraction form
66,280,726/99,424,631.94 = 20,846,063.44/x - Step 3: Cross multiply
66,280,726x = 99,424,631.94 × 20,846,063.44 - Step 4: Simplify right side
66,280,726x = 2,072,612,184,919,890.25 - Step 5: Solve for x
x = 2,072,612,184,919,890.25/66,280,726 - Step 6: Final answer
x = 31,270,209.46
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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.