Finding the Fourth Proportional to 212,593,872.29, 293,379,541.29 and 114,808,728.29
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Solution
The fourth proportional to 212,593,872.29, 293,379,541.29 and 114,808,728.29 is: 158,436,043.70
Step by Step Solution
- Step 1: Write the proportion equation
212,593,872.29 : 293,379,541.29 = 114,808,728.29 : x - Step 2: Convert to fraction form
212,593,872.29/293,379,541.29 = 114,808,728.29/x - Step 3: Cross multiply
212,593,872.29x = 293,379,541.29 × 114,808,728.29 - Step 4: Simplify right side
212,593,872.29x = 33,682,532,040,341,548 - Step 5: Solve for x
x = 33,682,532,040,341,548/212,593,872.29 - Step 6: Final answer
x = 158,436,043.70
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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.