Finding the Fourth Proportional to 79,582,078.81, 109,822,493.68 and 44,299,324.45
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Solution
The fourth proportional to 79,582,078.81, 109,822,493.68 and 44,299,324.45 is: 61,132,636.29
Step by Step Solution
- Step 1: Write the proportion equation
79,582,078.81 : 109,822,493.68 = 44,299,324.45 : x - Step 2: Convert to fraction form
79,582,078.81/109,822,493.68 = 44,299,324.45/x - Step 3: Cross multiply
79,582,078.81x = 109,822,493.68 × 44,299,324.45 - Step 4: Simplify right side
79,582,078.81x = 4,865,062,279,438,395 - Step 5: Solve for x
x = 4,865,062,279,438,395/79,582,078.81 - Step 6: Final answer
x = 61,132,636.29
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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.