Finding the Fourth Proportional to 202,904,257.92, 279,835,166.79 and 141,172,071.36
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Solution
The fourth proportional to 202,904,257.92, 279,835,166.79 and 141,172,071.36 is: 194,697,294.87
Step by Step Solution
- Step 1: Write the proportion equation
202,904,257.92 : 279,835,166.79 = 141,172,071.36 : x - Step 2: Convert to fraction form
202,904,257.92/279,835,166.79 = 141,172,071.36/x - Step 3: Cross multiply
202,904,257.92x = 279,835,166.79 × 141,172,071.36 - Step 4: Simplify right side
202,904,257.92x = 39,504,910,135,115,392 - Step 5: Solve for x
x = 39,504,910,135,115,392/202,904,257.92 - Step 6: Final answer
x = 194,697,294.87
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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.