Finding the Fourth Proportional to 68,373,745.80, 94,355,725.86 and 37,433,906.88
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Solution
The fourth proportional to 68,373,745.80, 94,355,725.86 and 37,433,906.88 is: 51,658,767.76
Step by Step Solution
- Step 1: Write the proportion equation
68,373,745.80 : 94,355,725.86 = 37,433,906.88 : x - Step 2: Convert to fraction form
68,373,745.80/94,355,725.86 = 37,433,906.88/x - Step 3: Cross multiply
68,373,745.80x = 94,355,725.86 × 37,433,906.88 - Step 4: Simplify right side
68,373,745.80x = 3,532,103,455,438,048 - Step 5: Solve for x
x = 3,532,103,455,438,048/68,373,745.80 - Step 6: Final answer
x = 51,658,767.76
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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.