Finding the Fourth Proportional to 120,643,825.55, 181,035,556.42 and 50,607,781.99
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Solution
The fourth proportional to 120,643,825.55, 181,035,556.42 and 50,607,781.99 is: 75,940,960.34
Step by Step Solution
- Step 1: Write the proportion equation
120,643,825.55 : 181,035,556.42 = 50,607,781.99 : x - Step 2: Convert to fraction form
120,643,825.55/181,035,556.42 = 50,607,781.99/x - Step 3: Cross multiply
120,643,825.55x = 181,035,556.42 × 50,607,781.99 - Step 4: Simplify right side
120,643,825.55x = 9,161,807,971,162,596 - Step 5: Solve for x
x = 9,161,807,971,162,596/120,643,825.55 - Step 6: Final answer
x = 75,940,960.34
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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.