Finding the Fourth Proportional to 132,769,726,415.99, 183,222,774,481.70 and 71,802,093,630.92
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Solution
The fourth proportional to 132,769,726,415.99, 183,222,774,481.70 and 71,802,093,630.92 is: 99,087,187,748.15
Step by Step Solution
- Step 1: Write the proportion equation
132,769,726,415.99 : 183,222,774,481.70 = 71,802,093,630.92 : x - Step 2: Convert to fraction form
132,769,726,415.99/183,222,774,481.70 = 71,802,093,630.92/x - Step 3: Cross multiply
132,769,726,415.99x = 183,222,774,481.70 × 71,802,093,630.92 - Step 4: Simplify right side
132,769,726,415.99x = 13,155,778,808,651,045,666,816 - Step 5: Solve for x
x = 13,155,778,808,651,045,666,816/132,769,726,415.99 - Step 6: Final answer
x = 99,087,187,748.15
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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.