Finding the Fourth Proportional to 276,901,370.42, 382,241,554.44 and 172,531,008.14
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Solution
The fourth proportional to 276,901,370.42, 382,241,554.44 and 172,531,008.14 is: 238,166,104.56
Step by Step Solution
- Step 1: Write the proportion equation
276,901,370.42 : 382,241,554.44 = 172,531,008.14 : x - Step 2: Convert to fraction form
276,901,370.42/382,241,554.44 = 172,531,008.14/x - Step 3: Cross multiply
276,901,370.42x = 382,241,554.44 × 172,531,008.14 - Step 4: Simplify right side
276,901,370.42x = 65,948,520,740,533,888 - Step 5: Solve for x
x = 65,948,520,740,533,888/276,901,370.42 - Step 6: Final answer
x = 238,166,104.56
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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.