Finding the Fourth Proportional to 174,656,443.80, 261,984,665.70 and 106,631,995.80
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Solution
The fourth proportional to 174,656,443.80, 261,984,665.70 and 106,631,995.80 is: 159,947,993.70
Step by Step Solution
- Step 1: Write the proportion equation
174,656,443.80 : 261,984,665.70 = 106,631,995.80 : x - Step 2: Convert to fraction form
174,656,443.80/261,984,665.70 = 106,631,995.80/x - Step 3: Cross multiply
174,656,443.80x = 261,984,665.70 × 106,631,995.80 - Step 4: Simplify right side
174,656,443.80x = 27,935,947,772,586,804 - Step 5: Solve for x
x = 27,935,947,772,586,804/174,656,443.80 - Step 6: Final answer
x = 159,947,993.70
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1.5x scale
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.