Finding the Fourth Proportional to 129,029,532.30, 193,544,298.45 and 115,891,202.70
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Solution
The fourth proportional to 129,029,532.30, 193,544,298.45 and 115,891,202.70 is: 173,836,804.05
Step by Step Solution
- Step 1: Write the proportion equation
129,029,532.30 : 193,544,298.45 = 115,891,202.70 : x - Step 2: Convert to fraction form
129,029,532.30/193,544,298.45 = 115,891,202.70/x - Step 3: Cross multiply
129,029,532.30x = 193,544,298.45 × 115,891,202.70 - Step 4: Simplify right side
129,029,532.30x = 22,430,081,523,098,244 - Step 5: Solve for x
x = 22,430,081,523,098,244/129,029,532.30 - Step 6: Final answer
x = 173,836,804.05
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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.