Finding the Fourth Proportional to 218,958,557.99, 302,150,516.01 and 119,839,103.42
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Solution
The fourth proportional to 218,958,557.99, 302,150,516.01 and 119,839,103.42 is: 165,371,234.03
Step by Step Solution
- Step 1: Write the proportion equation
218,958,557.99 : 302,150,516.01 = 119,839,103.42 : x - Step 2: Convert to fraction form
218,958,557.99/302,150,516.01 = 119,839,103.42/x - Step 3: Cross multiply
218,958,557.99x = 302,150,516.01 × 119,839,103.42 - Step 4: Simplify right side
218,958,557.99x = 36,209,446,935,018,008 - Step 5: Solve for x
x = 36,209,446,935,018,008/218,958,557.99 - Step 6: Final answer
x = 165,371,234.03
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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.