Finding the Fourth Proportional to 218,196,576.21, 301,117,658.92 and 119,083,680.62
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Solution
The fourth proportional to 218,196,576.21, 301,117,658.92 and 119,083,680.62 is: 164,338,963.26
Step by Step Solution
- Step 1: Write the proportion equation
218,196,576.21 : 301,117,658.92 = 119,083,680.62 : x - Step 2: Convert to fraction form
218,196,576.21/301,117,658.92 = 119,083,680.62/x - Step 3: Cross multiply
218,196,576.21x = 301,117,658.92 × 119,083,680.62 - Step 4: Simplify right side
218,196,576.21x = 35,858,199,122,068,076 - Step 5: Solve for x
x = 35,858,199,122,068,076/218,196,576.21 - Step 6: Final answer
x = 164,338,963.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.