Finding the Fourth Proportional to 55,537,458.60, 83,306,187.90 and 54,403,717.80
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Solution
The fourth proportional to 55,537,458.60, 83,306,187.90 and 54,403,717.80 is: 81,605,576.70
Step by Step Solution
- Step 1: Write the proportion equation
55,537,458.60 : 83,306,187.90 = 54,403,717.80 : x - Step 2: Convert to fraction form
55,537,458.60/83,306,187.90 = 54,403,717.80/x - Step 3: Cross multiply
55,537,458.60x = 83,306,187.90 × 54,403,717.80 - Step 4: Simplify right side
55,537,458.60x = 4,532,166,337,505,375 - Step 5: Solve for x
x = 4,532,166,337,505,375/55,537,458.60 - Step 6: Final answer
x = 81,605,576.70
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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.