Finding the Fourth Proportional to 157,590,521.51, 236,197,715.38 and 73,346,544.68
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Solution
The fourth proportional to 157,590,521.51, 236,197,715.38 and 73,346,544.68 is: 109,932,286.02
Step by Step Solution
- Step 1: Write the proportion equation
157,590,521.51 : 236,197,715.38 = 73,346,544.68 : x - Step 2: Convert to fraction form
157,590,521.51/236,197,715.38 = 73,346,544.68/x - Step 3: Cross multiply
157,590,521.51x = 236,197,715.38 × 73,346,544.68 - Step 4: Simplify right side
157,590,521.51x = 17,324,286,283,842,598 - Step 5: Solve for x
x = 17,324,286,283,842,598/157,590,521.51 - Step 6: Final answer
x = 109,932,286.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.