Finding the Fourth Proportional to 75,616,429.80, 113,424,644.70 and 37,296,301.80
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Solution
The fourth proportional to 75,616,429.80, 113,424,644.70 and 37,296,301.80 is: 55,944,452.70
Step by Step Solution
- Step 1: Write the proportion equation
75,616,429.80 : 113,424,644.70 = 37,296,301.80 : x - Step 2: Convert to fraction form
75,616,429.80/113,424,644.70 = 37,296,301.80/x - Step 3: Cross multiply
75,616,429.80x = 113,424,644.70 × 37,296,301.80 - Step 4: Simplify right side
75,616,429.80x = 4,230,319,780,288,970 - Step 5: Solve for x
x = 4,230,319,780,288,970/75,616,429.80 - Step 6: Final answer
x = 55,944,452.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.