Finding the Fourth Proportional to 113,813,694.99, 170,720,665.61 and 53,271,936.27
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Solution
The fourth proportional to 113,813,694.99, 170,720,665.61 and 53,271,936.27 is: 79,907,962.03
Step by Step Solution
- Step 1: Write the proportion equation
113,813,694.99 : 170,720,665.61 = 53,271,936.27 : x - Step 2: Convert to fraction form
113,813,694.99/170,720,665.61 = 53,271,936.27/x - Step 3: Cross multiply
113,813,694.99x = 170,720,665.61 × 53,271,936.27 - Step 4: Simplify right side
113,813,694.99x = 9,094,620,418,081,540 - Step 5: Solve for x
x = 9,094,620,418,081,540/113,813,694.99 - Step 6: Final answer
x = 79,907,962.03
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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.