Finding the Fourth Proportional to 234,121,859.99, 323,108,007.24 and 129,732,675.83
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Solution
The fourth proportional to 234,121,859.99, 323,108,007.24 and 129,732,675.83 is: 179,042,086.73
Step by Step Solution
- Step 1: Write the proportion equation
234,121,859.99 : 323,108,007.24 = 129,732,675.83 : x - Step 2: Convert to fraction form
234,121,859.99/323,108,007.24 = 129,732,675.83/x - Step 3: Cross multiply
234,121,859.99x = 323,108,007.24 × 129,732,675.83 - Step 4: Simplify right side
234,121,859.99x = 41,917,666,359,728,672 - Step 5: Solve for x
x = 41,917,666,359,728,672/234,121,859.99 - Step 6: Final answer
x = 179,042,086.73
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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.