Finding the Fourth Proportional to 112,293,001.80, 168,439,502.70 and 27,192,457.80
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Solution
The fourth proportional to 112,293,001.80, 168,439,502.70 and 27,192,457.80 is: 40,788,686.70
Step by Step Solution
- Step 1: Write the proportion equation
112,293,001.80 : 168,439,502.70 = 27,192,457.80 : x - Step 2: Convert to fraction form
112,293,001.80/168,439,502.70 = 27,192,457.80/x - Step 3: Cross multiply
112,293,001.80x = 168,439,502.70 × 27,192,457.80 - Step 4: Simplify right side
112,293,001.80x = 4,580,284,069,022,736 - Step 5: Solve for x
x = 4,580,284,069,022,736/112,293,001.80 - Step 6: Final answer
x = 40,788,686.70
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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.