Finding the Fourth Proportional to 202,084,936.56, 278,875,589.58 and 117,319,921.56
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Solution
The fourth proportional to 202,084,936.56, 278,875,589.58 and 117,319,921.56 is: 161,900,549.60
Step by Step Solution
- Step 1: Write the proportion equation
202,084,936.56 : 278,875,589.58 = 117,319,921.56 : x - Step 2: Convert to fraction form
202,084,936.56/278,875,589.58 = 117,319,921.56/x - Step 3: Cross multiply
202,084,936.56x = 278,875,589.58 × 117,319,921.56 - Step 4: Simplify right side
202,084,936.56x = 32,717,662,294,524,352 - Step 5: Solve for x
x = 32,717,662,294,524,352/202,084,936.56 - Step 6: Final answer
x = 161,900,549.60
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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.