Finding the Fourth Proportional to 176,136,670.20, 264,205,005.30 and 130,220,167.80
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Solution
The fourth proportional to 176,136,670.20, 264,205,005.30 and 130,220,167.80 is: 195,330,251.70
Step by Step Solution
- Step 1: Write the proportion equation
176,136,670.20 : 264,205,005.30 = 130,220,167.80 : x - Step 2: Convert to fraction form
176,136,670.20/264,205,005.30 = 130,220,167.80/x - Step 3: Cross multiply
176,136,670.20x = 264,205,005.30 × 130,220,167.80 - Step 4: Simplify right side
176,136,670.20x = 34,404,820,123,765,892 - Step 5: Solve for x
x = 34,404,820,123,765,892/176,136,670.20 - Step 6: Final answer
x = 195,330,251.70
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1.5x scale
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.