Finding the Fourth Proportional to 201,676,868.70, 302,515,303.05 and 132,802,115.10
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Solution
The fourth proportional to 201,676,868.70, 302,515,303.05 and 132,802,115.10 is: 199,203,172.65
Step by Step Solution
- Step 1: Write the proportion equation
201,676,868.70 : 302,515,303.05 = 132,802,115.10 : x - Step 2: Convert to fraction form
201,676,868.70/302,515,303.05 = 132,802,115.10/x - Step 3: Cross multiply
201,676,868.70x = 302,515,303.05 × 132,802,115.10 - Step 4: Simplify right side
201,676,868.70x = 40,174,672,095,157,480 - Step 5: Solve for x
x = 40,174,672,095,157,480/201,676,868.70 - Step 6: Final answer
x = 199,203,172.65
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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.