Finding the Fourth Proportional to 86,882,788.84, 119,891,256.42 and 50,215,734.76
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Solution
The fourth proportional to 86,882,788.84, 119,891,256.42 and 50,215,734.76 is: 69,293,672.69
Step by Step Solution
- Step 1: Write the proportion equation
86,882,788.84 : 119,891,256.42 = 50,215,734.76 : x - Step 2: Convert to fraction form
86,882,788.84/119,891,256.42 = 50,215,734.76/x - Step 3: Cross multiply
86,882,788.84x = 119,891,256.42 × 50,215,734.76 - Step 4: Simplify right side
86,882,788.84x = 6,020,427,532,429,867 - Step 5: Solve for x
x = 6,020,427,532,429,867/86,882,788.84 - Step 6: Final answer
x = 69,293,672.69
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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.