Finding the Fourth Proportional to 129,751,664.70, 194,627,497.05 and 53,049,200.70
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Solution
The fourth proportional to 129,751,664.70, 194,627,497.05 and 53,049,200.70 is: 79,573,801.05
Step by Step Solution
- Step 1: Write the proportion equation
129,751,664.70 : 194,627,497.05 = 53,049,200.70 : x - Step 2: Convert to fraction form
129,751,664.70/194,627,497.05 = 53,049,200.70/x - Step 3: Cross multiply
129,751,664.70x = 194,627,497.05 × 53,049,200.70 - Step 4: Simplify right side
129,751,664.70x = 10,324,833,152,744,110 - Step 5: Solve for x
x = 10,324,833,152,744,110/129,751,664.70 - Step 6: Final answer
x = 79,573,801.05
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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.