Finding the Fourth Proportional to 111,901,720.20, 167,852,580.30 and 66,440,113.80
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Solution
The fourth proportional to 111,901,720.20, 167,852,580.30 and 66,440,113.80 is: 99,660,170.70
Step by Step Solution
- Step 1: Write the proportion equation
111,901,720.20 : 167,852,580.30 = 66,440,113.80 : x - Step 2: Convert to fraction form
111,901,720.20/167,852,580.30 = 66,440,113.80/x - Step 3: Cross multiply
111,901,720.20x = 167,852,580.30 × 66,440,113.80 - Step 4: Simplify right side
111,901,720.20x = 11,152,144,536,755,638 - Step 5: Solve for x
x = 11,152,144,536,755,638/111,901,720.20 - Step 6: Final answer
x = 99,660,170.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.