Finding the Fourth Proportional to 313,339,360.42, 432,399,717.61 and 174,106,542.34
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Solution
The fourth proportional to 313,339,360.42, 432,399,717.61 and 174,106,542.34 is: 240,262,249.98
Step by Step Solution
- Step 1: Write the proportion equation
313,339,360.42 : 432,399,717.61 = 174,106,542.34 : x - Step 2: Convert to fraction form
313,339,360.42/432,399,717.61 = 174,106,542.34/x - Step 3: Cross multiply
313,339,360.42x = 432,399,717.61 × 174,106,542.34 - Step 4: Simplify right side
313,339,360.42x = 75,283,619,741,869,520 - Step 5: Solve for x
x = 75,283,619,741,869,520/313,339,360.42 - Step 6: Final answer
x = 240,262,249.98
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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.