Finding the Fourth Proportional to 114,036,481.68, 157,394,959.43 and 69,396,836.43
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Solution
The fourth proportional to 114,036,481.68, 157,394,959.43 and 69,396,836.43 is: 95,782,613.55
Step by Step Solution
- Step 1: Write the proportion equation
114,036,481.68 : 157,394,959.43 = 69,396,836.43 : x - Step 2: Convert to fraction form
114,036,481.68/157,394,959.43 = 69,396,836.43/x - Step 3: Cross multiply
114,036,481.68x = 157,394,959.43 × 69,396,836.43 - Step 4: Simplify right side
114,036,481.68x = 10,922,712,255,103,454 - Step 5: Solve for x
x = 10,922,712,255,103,454/114,036,481.68 - Step 6: Final answer
x = 95,782,613.55
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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.