Finding the Fourth Proportional to 66,426,141.88, 91,668,115.11 and 37,057,474.54
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Solution
The fourth proportional to 66,426,141.88, 91,668,115.11 and 37,057,474.54 is: 51,139,336.80
Step by Step Solution
- Step 1: Write the proportion equation
66,426,141.88 : 91,668,115.11 = 37,057,474.54 : x - Step 2: Convert to fraction form
66,426,141.88/91,668,115.11 = 37,057,474.54/x - Step 3: Cross multiply
66,426,141.88x = 91,668,115.11 × 37,057,474.54 - Step 4: Simplify right side
66,426,141.88x = 3,396,988,841,933,199 - Step 5: Solve for x
x = 3,396,988,841,933,199/66,426,141.88 - Step 6: Final answer
x = 51,139,336.80
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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.