Finding the Fourth Proportional to 234,538,717.49, 323,692,134.82 and 135,419,298.42
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Solution
The fourth proportional to 234,538,717.49, 323,692,134.82 and 135,419,298.42 is: 186,895,205.49
Step by Step Solution
- Step 1: Write the proportion equation
234,538,717.49 : 323,692,134.82 = 135,419,298.42 : x - Step 2: Convert to fraction form
234,538,717.49/323,692,134.82 = 135,419,298.42/x - Step 3: Cross multiply
234,538,717.49x = 323,692,134.82 × 135,419,298.42 - Step 4: Simplify right side
234,538,717.49x = 43,834,161,801,396,448 - Step 5: Solve for x
x = 43,834,161,801,396,448/234,538,717.49 - Step 6: Final answer
x = 186,895,205.49
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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.