Finding the Fourth Proportional to 57,654,676.53, 79,563,450.42 and 31,549,197.47
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Solution
The fourth proportional to 57,654,676.53, 79,563,450.42 and 31,549,197.47 is: 43,537,890.76
Step by Step Solution
- Step 1: Write the proportion equation
57,654,676.53 : 79,563,450.42 = 31,549,197.47 : x - Step 2: Convert to fraction form
57,654,676.53/79,563,450.42 = 31,549,197.47/x - Step 3: Cross multiply
57,654,676.53x = 79,563,450.42 × 31,549,197.47 - Step 4: Simplify right side
57,654,676.53x = 2,510,163,008,297,317 - Step 5: Solve for x
x = 2,510,163,008,297,317/57,654,676.53 - Step 6: Final answer
x = 43,537,890.76
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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.