Finding the Fourth Proportional to 243,098,554.14, 335,142,608.76 and 153,745,964.09
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Solution
The fourth proportional to 243,098,554.14, 335,142,608.76 and 153,745,964.09 is: 211,958,576.53
Step by Step Solution
- Step 1: Write the proportion equation
243,098,554.14 : 335,142,608.76 = 153,745,964.09 : x - Step 2: Convert to fraction form
243,098,554.14/335,142,608.76 = 153,745,964.09/x - Step 3: Cross multiply
243,098,554.14x = 335,142,608.76 × 153,745,964.09 - Step 4: Simplify right side
243,098,554.14x = 51,526,823,492,281,736 - Step 5: Solve for x
x = 51,526,823,492,281,736/243,098,554.14 - Step 6: Final answer
x = 211,958,576.53
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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.