Finding the Fourth Proportional to 203,797,235.08, 281,237,400.42 and 115,690,463.56
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Solution
The fourth proportional to 203,797,235.08, 281,237,400.42 and 115,690,463.56 is: 159,651,259.31
Step by Step Solution
- Step 1: Write the proportion equation
203,797,235.08 : 281,237,400.42 = 115,690,463.56 : x - Step 2: Convert to fraction form
203,797,235.08/281,237,400.42 = 115,690,463.56/x - Step 3: Cross multiply
203,797,235.08x = 281,237,400.42 × 115,690,463.56 - Step 4: Simplify right side
203,797,235.08x = 32,536,485,224,999,140 - Step 5: Solve for x
x = 32,536,485,224,999,140/203,797,235.08 - Step 6: Final answer
x = 159,651,259.31
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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.