Finding the Fourth Proportional to 108,901,207.80, 163,351,811.70 and 40,735,042.20
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Solution
The fourth proportional to 108,901,207.80, 163,351,811.70 and 40,735,042.20 is: 61,102,563.30
Step by Step Solution
- Step 1: Write the proportion equation
108,901,207.80 : 163,351,811.70 = 40,735,042.20 : x - Step 2: Convert to fraction form
108,901,207.80/163,351,811.70 = 40,735,042.20/x - Step 3: Cross multiply
108,901,207.80x = 163,351,811.70 × 40,735,042.20 - Step 4: Simplify right side
108,901,207.80x = 6,654,142,943,045,954 - Step 5: Solve for x
x = 6,654,142,943,045,954/108,901,207.80 - Step 6: Final answer
x = 61,102,563.30
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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.