Finding the Fourth Proportional to 66,802,912.71, 92,186,455.10 and 39,302,609.19
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Solution
The fourth proportional to 66,802,912.71, 92,186,455.10 and 39,302,609.19 is: 54,236,680.26
Step by Step Solution
- Step 1: Write the proportion equation
66,802,912.71 : 92,186,455.10 = 39,302,609.19 : x - Step 2: Convert to fraction form
66,802,912.71/92,186,455.10 = 39,302,609.19/x - Step 3: Cross multiply
66,802,912.71x = 92,186,455.10 × 39,302,609.19 - Step 4: Simplify right side
66,802,912.71x = 3,623,168,217,210,269 - Step 5: Solve for x
x = 3,623,168,217,210,269/66,802,912.71 - Step 6: Final answer
x = 54,236,680.26
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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.