Finding the Fourth Proportional to 134,987,634.12, 202,555,163.60 and 57,252,446.56
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Solution
The fourth proportional to 134,987,634.12, 202,555,163.60 and 57,252,446.56 is: 85,909,933.57
Step by Step Solution
- Step 1: Write the proportion equation
134,987,634.12 : 202,555,163.60 = 57,252,446.56 : x - Step 2: Convert to fraction form
134,987,634.12/202,555,163.60 = 57,252,446.56/x - Step 3: Cross multiply
134,987,634.12x = 202,555,163.60 × 57,252,446.56 - Step 4: Simplify right side
134,987,634.12x = 11,596,778,679,461,058 - Step 5: Solve for x
x = 11,596,778,679,461,058/134,987,634.12 - Step 6: Final answer
x = 85,909,933.57
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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.