Finding the Fourth Proportional to 135,186,144.30, 202,804,460.82 and 61,415,104.05
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Solution
The fourth proportional to 135,186,144.30, 202,804,460.82 and 61,415,104.05 is: 92,134,124.60
Step by Step Solution
- Step 1: Write the proportion equation
135,186,144.30 : 202,804,460.82 = 61,415,104.05 : x - Step 2: Convert to fraction form
135,186,144.30/202,804,460.82 = 61,415,104.05/x - Step 3: Cross multiply
135,186,144.30x = 202,804,460.82 × 61,415,104.05 - Step 4: Simplify right side
135,186,144.30x = 12,455,257,063,064,448 - Step 5: Solve for x
x = 12,455,257,063,064,448/135,186,144.30 - Step 6: Final answer
x = 92,134,124.60
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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.