Finding the Fourth Proportional to 202,753,205.80, 304,129,808.70 and 121,932,572.20
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Solution
The fourth proportional to 202,753,205.80, 304,129,808.70 and 121,932,572.20 is: 182,898,858.30
Step by Step Solution
- Step 1: Write the proportion equation
202,753,205.80 : 304,129,808.70 = 121,932,572.20 : x - Step 2: Convert to fraction form
202,753,205.80/304,129,808.70 = 121,932,572.20/x - Step 3: Cross multiply
202,753,205.80x = 304,129,808.70 × 121,932,572.20 - Step 4: Simplify right side
202,753,205.80x = 37,083,329,857,484,936 - Step 5: Solve for x
x = 37,083,329,857,484,936/202,753,205.80 - Step 6: Final answer
x = 182,898,858.30
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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.