Finding the Fourth Proportional to 167,194,141.97, 230,728,454.87 and 92,854,702.49
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Solution
The fourth proportional to 167,194,141.97, 230,728,454.87 and 92,854,702.49 is: 128,139,788.75
Step by Step Solution
- Step 1: Write the proportion equation
167,194,141.97 : 230,728,454.87 = 92,854,702.49 : x - Step 2: Convert to fraction form
167,194,141.97/230,728,454.87 = 92,854,702.49/x - Step 3: Cross multiply
167,194,141.97x = 230,728,454.87 × 92,854,702.49 - Step 4: Simplify right side
167,194,141.97x = 21,424,222,031,313,328 - Step 5: Solve for x
x = 21,424,222,031,313,328/167,194,141.97 - Step 6: Final answer
x = 128,139,788.75
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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.