Finding the Fourth Proportional to 238,135,386.24, 357,304,169.79 and 115,405,057.80
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Solution
The fourth proportional to 238,135,386.24, 357,304,169.79 and 115,405,057.80 is: 173,156,577.10
Step by Step Solution
- Step 1: Write the proportion equation
238,135,386.24 : 357,304,169.79 = 115,405,057.80 : x - Step 2: Convert to fraction form
238,135,386.24/357,304,169.79 = 115,405,057.80/x - Step 3: Cross multiply
238,135,386.24x = 357,304,169.79 × 115,405,057.80 - Step 4: Simplify right side
238,135,386.24x = 41,234,708,366,795,968 - Step 5: Solve for x
x = 41,234,708,366,795,968/238,135,386.24 - Step 6: Final answer
x = 173,156,577.10
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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.