Finding the Fourth Proportional to 167,750,376,715.68, 231,493,986,423.60 and 91,626,767,875.68
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Solution
The fourth proportional to 167,750,376,715.68, 231,493,986,423.60 and 91,626,767,875.68 is: 126,444,102,087.48
Step by Step Solution
- Step 1: Write the proportion equation
167,750,376,715.68 : 231,493,986,423.60 = 91,626,767,875.68 : x - Step 2: Convert to fraction form
167,750,376,715.68/231,493,986,423.60 = 91,626,767,875.68/x - Step 3: Cross multiply
167,750,376,715.68x = 231,493,986,423.60 × 91,626,767,875.68 - Step 4: Simplify right side
167,750,376,715.68x = 21,211,045,758,651,011,694,592 - Step 5: Solve for x
x = 21,211,045,758,651,011,694,592/167,750,376,715.68 - Step 6: Final answer
x = 126,444,102,087.48
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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.