Finding the Fourth Proportional to 129,474,164.14, 194,080,383.51 and 55,746,035.62
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Solution
The fourth proportional to 129,474,164.14, 194,080,383.51 and 55,746,035.62 is: 83,562,709.55
Step by Step Solution
- Step 1: Write the proportion equation
129,474,164.14 : 194,080,383.51 = 55,746,035.62 : x - Step 2: Convert to fraction form
129,474,164.14/194,080,383.51 = 55,746,035.62/x - Step 3: Cross multiply
129,474,164.14x = 194,080,383.51 × 55,746,035.62 - Step 4: Simplify right side
129,474,164.14x = 10,819,211,972,291,720 - Step 5: Solve for x
x = 10,819,211,972,291,720/129,474,164.14 - Step 6: Final answer
x = 83,562,709.55
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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.