Finding the Fourth Proportional to 130,430,207.97, 195,645,186.09 and 33,385,760.78
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Solution
The fourth proportional to 130,430,207.97, 195,645,186.09 and 33,385,760.78 is: 50,078,608.95
Step by Step Solution
- Step 1: Write the proportion equation
130,430,207.97 : 195,645,186.09 = 33,385,760.78 : x - Step 2: Convert to fraction form
130,430,207.97/195,645,186.09 = 33,385,760.78/x - Step 3: Cross multiply
130,430,207.97x = 195,645,186.09 × 33,385,760.78 - Step 4: Simplify right side
130,430,207.97x = 6,531,763,379,581,097 - Step 5: Solve for x
x = 6,531,763,379,581,097/130,430,207.97 - Step 6: Final answer
x = 50,078,608.95
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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.