Finding the Fourth Proportional to 75,853,790.11, 113,780,740.47 and 18,346,116.66
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Solution
The fourth proportional to 75,853,790.11, 113,780,740.47 and 18,346,116.66 is: 27,519,188.37
Step by Step Solution
- Step 1: Write the proportion equation
75,853,790.11 : 113,780,740.47 = 18,346,116.66 : x - Step 2: Convert to fraction form
75,853,790.11/113,780,740.47 = 18,346,116.66/x - Step 3: Cross multiply
75,853,790.11x = 113,780,740.47 × 18,346,116.66 - Step 4: Simplify right side
75,853,790.11x = 2,087,434,738,323,803.25 - Step 5: Solve for x
x = 2,087,434,738,323,803.25/75,853,790.11 - Step 6: Final answer
x = 27,519,188.37
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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.