Finding the Fourth Proportional to 320,804,982.20, 481,207,473.30 and 116,339,727.80
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Solution
The fourth proportional to 320,804,982.20, 481,207,473.30 and 116,339,727.80 is: 174,509,591.70
Step by Step Solution
- Step 1: Write the proportion equation
320,804,982.20 : 481,207,473.30 = 116,339,727.80 : x - Step 2: Convert to fraction form
320,804,982.20/481,207,473.30 = 116,339,727.80/x - Step 3: Cross multiply
320,804,982.20x = 481,207,473.30 × 116,339,727.80 - Step 4: Simplify right side
320,804,982.20x = 55,983,546,459,047,768 - Step 5: Solve for x
x = 55,983,546,459,047,768/320,804,982.20 - Step 6: Final answer
x = 174,509,591.70
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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.