Finding the Fourth Proportional to 113,700,163.97, 156,906,699.11 and 61,489,199.63
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Solution
The fourth proportional to 113,700,163.97, 156,906,699.11 and 61,489,199.63 is: 84,855,351.20
Step by Step Solution
- Step 1: Write the proportion equation
113,700,163.97 : 156,906,699.11 = 61,489,199.63 : x - Step 2: Convert to fraction form
113,700,163.97/156,906,699.11 = 61,489,199.63/x - Step 3: Cross multiply
113,700,163.97x = 156,906,699.11 × 61,489,199.63 - Step 4: Simplify right side
113,700,163.97x = 9,648,067,345,405,124 - Step 5: Solve for x
x = 9,648,067,345,405,124/113,700,163.97 - Step 6: Final answer
x = 84,855,351.20
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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.