Finding the Fourth Proportional to 212,593,873.14, 293,379,542.53 and 114,808,729.14
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Solution
The fourth proportional to 212,593,873.14, 293,379,542.53 and 114,808,729.14 is: 158,436,044.91
Step by Step Solution
- Step 1: Write the proportion equation
212,593,873.14 : 293,379,542.53 = 114,808,729.14 : x - Step 2: Convert to fraction form
212,593,873.14/293,379,542.53 = 114,808,729.14/x - Step 3: Cross multiply
212,593,873.14x = 293,379,542.53 × 114,808,729.14 - Step 4: Simplify right side
212,593,873.14x = 33,682,532,433,256,856 - Step 5: Solve for x
x = 33,682,532,433,256,856/212,593,873.14 - Step 6: Final answer
x = 158,436,044.91
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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.