Finding the Fourth Proportional to 107,208,391.86, 160,813,548.99 and 30,531,381.30
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Solution
The fourth proportional to 107,208,391.86, 160,813,548.99 and 30,531,381.30 is: 45,797,345.69
Step by Step Solution
- Step 1: Write the proportion equation
107,208,391.86 : 160,813,548.99 = 30,531,381.30 : x - Step 2: Convert to fraction form
107,208,391.86/160,813,548.99 = 30,531,381.30/x - Step 3: Cross multiply
107,208,391.86x = 160,813,548.99 × 30,531,381.30 - Step 4: Simplify right side
107,208,391.86x = 4,909,859,782,419,920 - Step 5: Solve for x
x = 4,909,859,782,419,920/107,208,391.86 - Step 6: Final answer
x = 45,797,345.69
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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.