Finding the Fourth Proportional to 98,823,357.25, 136,296,713.79 and 86,876,626.96
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Solution
The fourth proportional to 98,823,357.25, 136,296,713.79 and 86,876,626.96 is: 119,819,839.04
Step by Step Solution
- Step 1: Write the proportion equation
98,823,357.25 : 136,296,713.79 = 86,876,626.96 : x - Step 2: Convert to fraction form
98,823,357.25/136,296,713.79 = 86,876,626.96/x - Step 3: Cross multiply
98,823,357.25x = 136,296,713.79 × 86,876,626.96 - Step 4: Simplify right side
98,823,357.25x = 11,840,998,758,691,850 - Step 5: Solve for x
x = 11,840,998,758,691,850/98,823,357.25 - Step 6: Final answer
x = 119,819,839.04
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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.