Finding the Fourth Proportional to 262,446,557.80, 393,669,836.70 and 141,514,205.80
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Solution
The fourth proportional to 262,446,557.80, 393,669,836.70 and 141,514,205.80 is: 212,271,308.70
Step by Step Solution
- Step 1: Write the proportion equation
262,446,557.80 : 393,669,836.70 = 141,514,205.80 : x - Step 2: Convert to fraction form
262,446,557.80/393,669,836.70 = 141,514,205.80/x - Step 3: Cross multiply
262,446,557.80x = 393,669,836.70 × 141,514,205.80 - Step 4: Simplify right side
262,446,557.80x = 55,709,874,288,016,192 - Step 5: Solve for x
x = 55,709,874,288,016,192/262,446,557.80 - Step 6: Final answer
x = 212,271,308.70
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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.