Finding the Fourth Proportional to 176,136,019.70, 264,204,029.55 and 130,786,387.70
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Solution
The fourth proportional to 176,136,019.70, 264,204,029.55 and 130,786,387.70 is: 196,179,581.55
Step by Step Solution
- Step 1: Write the proportion equation
176,136,019.70 : 264,204,029.55 = 130,786,387.70 : x - Step 2: Convert to fraction form
176,136,019.70/264,204,029.55 = 130,786,387.70/x - Step 3: Cross multiply
176,136,019.70x = 264,204,029.55 × 130,786,387.70 - Step 4: Simplify right side
176,136,019.70x = 34,554,290,640,628,560 - Step 5: Solve for x
x = 34,554,290,640,628,560/176,136,019.70 - Step 6: Final answer
x = 196,179,581.55
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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.