Finding the Fourth Proportional to 122,498,299.08, 169,045,524.18 and 66,744,177.66
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Solution
The fourth proportional to 122,498,299.08, 169,045,524.18 and 66,744,177.66 is: 92,105,805.41
Step by Step Solution
- Step 1: Write the proportion equation
122,498,299.08 : 169,045,524.18 = 66,744,177.66 : x - Step 2: Convert to fraction form
122,498,299.08/169,045,524.18 = 66,744,177.66/x - Step 3: Cross multiply
122,498,299.08x = 169,045,524.18 × 66,744,177.66 - Step 4: Simplify right side
122,498,299.08x = 11,282,804,498,497,746 - Step 5: Solve for x
x = 11,282,804,498,497,746/122,498,299.08 - Step 6: Final answer
x = 92,105,805.41
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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.