Finding the Fourth Proportional to 261,795,473.66, 361,278,848.68 and 144,318,225.26
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Solution
The fourth proportional to 261,795,473.66, 361,278,848.68 and 144,318,225.26 is: 199,159,754.50
Step by Step Solution
- Step 1: Write the proportion equation
261,795,473.66 : 361,278,848.68 = 144,318,225.26 : x - Step 2: Convert to fraction form
261,795,473.66/361,278,848.68 = 144,318,225.26/x - Step 3: Cross multiply
261,795,473.66x = 361,278,848.68 × 144,318,225.26 - Step 4: Simplify right side
261,795,473.66x = 52,139,122,263,306,504 - Step 5: Solve for x
x = 52,139,122,263,306,504/261,795,473.66 - Step 6: Final answer
x = 199,159,754.50
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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.