Finding the Fourth Proportional to 171,861,465,609.40, 237,158,136,326.30 and 94,694,987,051.09
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Solution
The fourth proportional to 171,861,465,609.40, 237,158,136,326.30 and 94,694,987,051.09 is: 130,673,194,068.53
Step by Step Solution
- Step 1: Write the proportion equation
171,861,465,609.40 : 237,158,136,326.30 = 94,694,987,051.09 : x - Step 2: Convert to fraction form
171,861,465,609.40/237,158,136,326.30 = 94,694,987,051.09/x - Step 3: Cross multiply
171,861,465,609.40x = 237,158,136,326.30 × 94,694,987,051.09 - Step 4: Simplify right side
171,861,465,609.40x = 22,457,686,648,478,431,707,136 - Step 5: Solve for x
x = 22,457,686,648,478,431,707,136/171,861,465,609.40 - Step 6: Final answer
x = 130,673,194,068.53
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1.5x scale
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.