Finding the Fourth Proportional to 57,756,770.74, 79,702,059.81 and 34,538,062.42
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Solution
The fourth proportional to 57,756,770.74, 79,702,059.81 and 34,538,062.42 is: 47,661,160.44
Step by Step Solution
- Step 1: Write the proportion equation
57,756,770.74 : 79,702,059.81 = 34,538,062.42 : x - Step 2: Convert to fraction form
57,756,770.74/79,702,059.81 = 34,538,062.42/x - Step 3: Cross multiply
57,756,770.74x = 79,702,059.81 × 34,538,062.42 - Step 4: Simplify right side
57,756,770.74x = 2,752,754,716,720,353.50 - Step 5: Solve for x
x = 2,752,754,716,720,353.50/57,756,770.74 - Step 6: Final answer
x = 47,661,160.44
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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.