Finding the Fourth Proportional to 108,905,554.80, 163,387,200.60 and 47,468,350.80
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Solution
The fourth proportional to 108,905,554.80, 163,387,200.60 and 47,468,350.80 is: 71,215,108.99
Step by Step Solution
- Step 1: Write the proportion equation
108,905,554.80 : 163,387,200.60 = 47,468,350.80 : x - Step 2: Convert to fraction form
108,905,554.80/163,387,200.60 = 47,468,350.80/x - Step 3: Cross multiply
108,905,554.80x = 163,387,200.60 × 47,468,350.80 - Step 4: Simplify right side
108,905,554.80x = 7,755,720,954,310,770 - Step 5: Solve for x
x = 7,755,720,954,310,770/108,905,554.80 - Step 6: Final answer
x = 71,215,108.99
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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.