Finding the Fourth Proportional to 66,001,127.28, 91,080,886.14 and 36,632,713.47
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Solution
The fourth proportional to 66,001,127.28, 91,080,886.14 and 36,632,713.47 is: 50,552,772.99
Step by Step Solution
- Step 1: Write the proportion equation
66,001,127.28 : 91,080,886.14 = 36,632,713.47 : x - Step 2: Convert to fraction form
66,001,127.28/91,080,886.14 = 36,632,713.47/x - Step 3: Cross multiply
66,001,127.28x = 91,080,886.14 × 36,632,713.47 - Step 4: Simplify right side
66,001,127.28x = 3,336,540,004,560,314 - Step 5: Solve for x
x = 3,336,540,004,560,314/66,001,127.28 - Step 6: Final answer
x = 50,552,772.99
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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.