Finding the Fourth Proportional to 71,966,436.84, 107,917,200.12 and 35,560,633.68
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Solution
The fourth proportional to 71,966,436.84, 107,917,200.12 and 35,560,633.68 is: 53,324,913.53
Step by Step Solution
- Step 1: Write the proportion equation
71,966,436.84 : 107,917,200.12 = 35,560,633.68 : x - Step 2: Convert to fraction form
71,966,436.84/107,917,200.12 = 35,560,633.68/x - Step 3: Cross multiply
71,966,436.84x = 107,917,200.12 × 35,560,633.68 - Step 4: Simplify right side
71,966,436.84x = 3,837,604,021,238,572 - Step 5: Solve for x
x = 3,837,604,021,238,572/71,966,436.84 - Step 6: Final answer
x = 53,324,913.53
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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.