Finding the Fourth Proportional to 122,530,204.26, 169,086,748.74 and 66,774,427.52
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Solution
The fourth proportional to 122,530,204.26, 169,086,748.74 and 66,774,427.52 is: 92,146,021.59
Step by Step Solution
- Step 1: Write the proportion equation
122,530,204.26 : 169,086,748.74 = 66,774,427.52 : x - Step 2: Convert to fraction form
122,530,204.26/169,086,748.74 = 66,774,427.52/x - Step 3: Cross multiply
122,530,204.26x = 169,086,748.74 × 66,774,427.52 - Step 4: Simplify right side
122,530,204.26x = 11,290,670,847,486,148 - Step 5: Solve for x
x = 11,290,670,847,486,148/122,530,204.26 - Step 6: Final answer
x = 92,146,021.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.