Finding the Fourth Proportional to 48,515,546.18, 66,950,538.55 and 29,675,742.01
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Solution
The fourth proportional to 48,515,546.18, 66,950,538.55 and 29,675,742.01 is: 40,951,964.18
Step by Step Solution
- Step 1: Write the proportion equation
48,515,546.18 : 66,950,538.55 = 29,675,742.01 : x - Step 2: Convert to fraction form
48,515,546.18/66,950,538.55 = 29,675,742.01/x - Step 3: Cross multiply
48,515,546.18x = 66,950,538.55 × 29,675,742.01 - Step 4: Simplify right side
48,515,546.18x = 1,986,806,909,198,793.75 - Step 5: Solve for x
x = 1,986,806,909,198,793.75/48,515,546.18 - Step 6: Final answer
x = 40,951,964.18
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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.