Finding the Fourth Proportional to 86,582,556.84, 119,495,816.12 and 53,086,112.18
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Solution
The fourth proportional to 86,582,556.84, 119,495,816.12 and 53,086,112.18 is: 73,266,123.47
Step by Step Solution
- Step 1: Write the proportion equation
86,582,556.84 : 119,495,816.12 = 53,086,112.18 : x - Step 2: Convert to fraction form
86,582,556.84/119,495,816.12 = 53,086,112.18/x - Step 3: Cross multiply
86,582,556.84x = 119,495,816.12 × 53,086,112.18 - Step 4: Simplify right side
86,582,556.84x = 6,343,568,299,586,973 - Step 5: Solve for x
x = 6,343,568,299,586,973/86,582,556.84 - Step 6: Final answer
x = 73,266,123.47
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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.