Finding the Fourth Proportional to 68,915,745.39, 95,104,366.46 and 37,977,021.87
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Solution
The fourth proportional to 68,915,745.39, 95,104,366.46 and 37,977,021.87 is: 52,408,641.66
Step by Step Solution
- Step 1: Write the proportion equation
68,915,745.39 : 95,104,366.46 = 37,977,021.87 : x - Step 2: Convert to fraction form
68,915,745.39/95,104,366.46 = 37,977,021.87/x - Step 3: Cross multiply
68,915,745.39x = 95,104,366.46 × 37,977,021.87 - Step 4: Simplify right side
68,915,745.39x = 3,611,780,604,794,029 - Step 5: Solve for x
x = 3,611,780,604,794,029/68,915,745.39 - Step 6: Final answer
x = 52,408,641.66
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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.