Finding the Fourth Proportional to 157,590,522.57, 236,197,716.98 and 73,346,545.74
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Solution
The fourth proportional to 157,590,522.57, 236,197,716.98 and 73,346,545.74 is: 109,932,287.61
Step by Step Solution
- Step 1: Write the proportion equation
157,590,522.57 : 236,197,716.98 = 73,346,545.74 : x - Step 2: Convert to fraction form
157,590,522.57/236,197,716.98 = 73,346,545.74/x - Step 3: Cross multiply
157,590,522.57x = 236,197,716.98 × 73,346,545.74 - Step 4: Simplify right side
157,590,522.57x = 17,324,286,651,790,410 - Step 5: Solve for x
x = 17,324,286,651,790,410/157,590,522.57 - Step 6: Final answer
x = 109,932,287.61
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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.