Finding the Fourth Proportional to 189,427,714.31, 261,266,201.51 and 163,010,594.09
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Solution
The fourth proportional to 189,427,714.31, 261,266,201.51 and 163,010,594.09 is: 224,830,663.65
Step by Step Solution
- Step 1: Write the proportion equation
189,427,714.31 : 261,266,201.51 = 163,010,594.09 : x - Step 2: Convert to fraction form
189,427,714.31/261,266,201.51 = 163,010,594.09/x - Step 3: Cross multiply
189,427,714.31x = 261,266,201.51 × 163,010,594.09 - Step 4: Simplify right side
189,427,714.31x = 42,589,158,721,661,376 - Step 5: Solve for x
x = 42,589,158,721,661,376/189,427,714.31 - Step 6: Final answer
x = 224,830,663.65
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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.