Finding the Fourth Proportional to 120,296,197.26, 166,008,875.09 and 65,292,065.10
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Solution
The fourth proportional to 120,296,197.26, 166,008,875.09 and 65,292,065.10 is: 90,103,116.52
Step by Step Solution
- Step 1: Write the proportion equation
120,296,197.26 : 166,008,875.09 = 65,292,065.10 : x - Step 2: Convert to fraction form
120,296,197.26/166,008,875.09 = 65,292,065.10/x - Step 3: Cross multiply
120,296,197.26x = 166,008,875.09 × 65,292,065.10 - Step 4: Simplify right side
120,296,197.26x = 10,839,062,279,227,588 - Step 5: Solve for x
x = 10,839,062,279,227,588/120,296,197.26 - Step 6: Final answer
x = 90,103,116.52
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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.