Finding the Fourth Proportional to 198,714,354.84, 274,228,911.72 and 110,609,310.24
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Solution
The fourth proportional to 198,714,354.84, 274,228,911.72 and 110,609,310.24 is: 152,642,574.80
Step by Step Solution
- Step 1: Write the proportion equation
198,714,354.84 : 274,228,911.72 = 110,609,310.24 : x - Step 2: Convert to fraction form
198,714,354.84/274,228,911.72 = 110,609,310.24/x - Step 3: Cross multiply
198,714,354.84x = 274,228,911.72 × 110,609,310.24 - Step 4: Simplify right side
198,714,354.84x = 30,332,270,773,215,052 - Step 5: Solve for x
x = 30,332,270,773,215,052/198,714,354.84 - Step 6: Final answer
x = 152,642,574.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.