Finding the Fourth Proportional to 281,304,239.16, 421,276,062.42 and 243,210,548.28
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Solution
The fourth proportional to 281,304,239.16, 421,276,062.42 and 243,210,548.28 is: 364,227,650.55
Step by Step Solution
- Step 1: Write the proportion equation
281,304,239.16 : 421,276,062.42 = 243,210,548.28 : x - Step 2: Convert to fraction form
281,304,239.16/421,276,062.42 = 243,210,548.28/x - Step 3: Cross multiply
281,304,239.16x = 421,276,062.42 × 243,210,548.28 - Step 4: Simplify right side
281,304,239.16x = 102,458,782,118,407,712 - Step 5: Solve for x
x = 102,458,782,118,407,712/281,304,239.16 - Step 6: Final answer
x = 364,227,650.55
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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.