Finding the Fourth Proportional to 122,531,313.62, 169,093,210.14 and 67,527,170.12
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Solution
The fourth proportional to 122,531,313.62, 169,093,210.14 and 67,527,170.12 is: 93,187,493.30
Step by Step Solution
- Step 1: Write the proportion equation
122,531,313.62 : 169,093,210.14 = 67,527,170.12 : x - Step 2: Convert to fraction form
122,531,313.62/169,093,210.14 = 67,527,170.12/x - Step 3: Cross multiply
122,531,313.62x = 169,093,210.14 × 67,527,170.12 - Step 4: Simplify right side
122,531,313.62x = 11,418,385,966,415,222 - Step 5: Solve for x
x = 11,418,385,966,415,222/122,531,313.62 - Step 6: Final answer
x = 93,187,493.30
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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.