Finding the Fourth Proportional to 66,626,071.63, 91,946,489.61 and 37,257,337.97
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Solution
The fourth proportional to 66,626,071.63, 91,946,489.61 and 37,257,337.97 is: 51,416,530.42
Step by Step Solution
- Step 1: Write the proportion equation
66,626,071.63 : 91,946,489.61 = 37,257,337.97 : x - Step 2: Convert to fraction form
66,626,071.63/91,946,489.61 = 37,257,337.97/x - Step 3: Cross multiply
66,626,071.63x = 91,946,489.61 × 37,257,337.97 - Step 4: Simplify right side
66,626,071.63x = 3,425,681,438,554,863.50 - Step 5: Solve for x
x = 3,425,681,438,554,863.50/66,626,071.63 - Step 6: Final answer
x = 51,416,530.42
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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.