Finding the Fourth Proportional to 201,676,708.70, 302,515,063.05 and 132,801,955.10
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Solution
The fourth proportional to 201,676,708.70, 302,515,063.05 and 132,801,955.10 is: 199,202,932.65
Step by Step Solution
- Step 1: Write the proportion equation
201,676,708.70 : 302,515,063.05 = 132,801,955.10 : x - Step 2: Convert to fraction form
201,676,708.70/302,515,063.05 = 132,801,955.10/x - Step 3: Cross multiply
201,676,708.70x = 302,515,063.05 × 132,801,955.10 - Step 4: Simplify right side
201,676,708.70x = 40,174,591,820,239,768 - Step 5: Solve for x
x = 40,174,591,820,239,768/201,676,708.70 - Step 6: Final answer
x = 199,202,932.65
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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.