Finding the Fourth Proportional to 86,802,531.06, 119,787,072.18 and 47,644,974.06
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Solution
The fourth proportional to 86,802,531.06, 119,787,072.18 and 47,644,974.06 is: 65,749,833.29
Step by Step Solution
- Step 1: Write the proportion equation
86,802,531.06 : 119,787,072.18 = 47,644,974.06 : x - Step 2: Convert to fraction form
86,802,531.06/119,787,072.18 = 47,644,974.06/x - Step 3: Cross multiply
86,802,531.06x = 119,787,072.18 × 47,644,974.06 - Step 4: Simplify right side
86,802,531.06x = 5,707,251,946,739,448 - Step 5: Solve for x
x = 5,707,251,946,739,448/86,802,531.06 - Step 6: Final answer
x = 65,749,833.29
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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.