Finding the Fourth Proportional to 168,411,193.76, 252,258,619.80 and 80,843,622.68
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Solution
The fourth proportional to 168,411,193.76, 252,258,619.80 and 80,843,622.68 is: 121,093,498.73
Step by Step Solution
- Step 1: Write the proportion equation
168,411,193.76 : 252,258,619.80 = 80,843,622.68 : x - Step 2: Convert to fraction form
168,411,193.76/252,258,619.80 = 80,843,622.68/x - Step 3: Cross multiply
168,411,193.76x = 252,258,619.80 × 80,843,622.68 - Step 4: Simplify right side
168,411,193.76x = 20,393,500,676,888,780 - Step 5: Solve for x
x = 20,393,500,676,888,780/168,411,193.76 - Step 6: Final answer
x = 121,093,498.73
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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.