Finding the Fourth Proportional to 49,810,859.76, 68,742,066.96 and 27,483,736.68
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Solution
The fourth proportional to 49,810,859.76, 68,742,066.96 and 27,483,736.68 is: 37,929,256.32
Step by Step Solution
- Step 1: Write the proportion equation
49,810,859.76 : 68,742,066.96 = 27,483,736.68 : x - Step 2: Convert to fraction form
49,810,859.76/68,742,066.96 = 27,483,736.68/x - Step 3: Cross multiply
49,810,859.76x = 68,742,066.96 × 27,483,736.68 - Step 4: Simplify right side
49,810,859.76x = 1,889,288,867,167,568 - Step 5: Solve for x
x = 1,889,288,867,167,568/49,810,859.76 - Step 6: Final answer
x = 37,929,256.32
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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.