Finding the Fourth Proportional to 75,595,779.42, 104,327,418.79 and 45,827,682.14
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Solution
The fourth proportional to 75,595,779.42, 104,327,418.79 and 45,827,682.14 is: 63,245,379.88
Step by Step Solution
- Step 1: Write the proportion equation
75,595,779.42 : 104,327,418.79 = 45,827,682.14 : x - Step 2: Convert to fraction form
75,595,779.42/104,327,418.79 = 45,827,682.14/x - Step 3: Cross multiply
75,595,779.42x = 104,327,418.79 × 45,827,682.14 - Step 4: Simplify right side
75,595,779.42x = 4,781,083,786,794,784 - Step 5: Solve for x
x = 4,781,083,786,794,784/75,595,779.42 - Step 6: Final answer
x = 63,245,379.88
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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.