Finding the Fourth Proportional to 178,544,658.58, 267,409,238.02 and 85,237,264.44
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Solution
The fourth proportional to 178,544,658.58, 267,409,238.02 and 85,237,264.44 is: 127,661,236.78
Step by Step Solution
- Step 1: Write the proportion equation
178,544,658.58 : 267,409,238.02 = 85,237,264.44 : x - Step 2: Convert to fraction form
178,544,658.58/267,409,238.02 = 85,237,264.44/x - Step 3: Cross multiply
178,544,658.58x = 267,409,238.02 × 85,237,264.44 - Step 4: Simplify right side
178,544,658.58x = 22,793,231,934,596,548 - Step 5: Solve for x
x = 22,793,231,934,596,548/178,544,658.58 - Step 6: Final answer
x = 127,661,236.78
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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.