Finding the Fourth Proportional to 274,967,711.99, 379,462,634.08 and 149,527,244.45
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Solution
The fourth proportional to 274,967,711.99, 379,462,634.08 and 149,527,244.45 is: 206,351,508.08
Step by Step Solution
- Step 1: Write the proportion equation
274,967,711.99 : 379,462,634.08 = 149,527,244.45 : x - Step 2: Convert to fraction form
274,967,711.99/379,462,634.08 = 149,527,244.45/x - Step 3: Cross multiply
274,967,711.99x = 379,462,634.08 × 149,527,244.45 - Step 4: Simplify right side
274,967,711.99x = 56,740,002,044,159,520 - Step 5: Solve for x
x = 56,740,002,044,159,520/274,967,711.99 - Step 6: Final answer
x = 206,351,508.08
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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.