Finding the Fourth Proportional to 235,702,138.09, 325,239,475.52 and 136,581,084.28
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Solution
The fourth proportional to 235,702,138.09, 325,239,475.52 and 136,581,084.28 is: 188,464,816.55
Step by Step Solution
- Step 1: Write the proportion equation
235,702,138.09 : 325,239,475.52 = 136,581,084.28 : x - Step 2: Convert to fraction form
235,702,138.09/325,239,475.52 = 136,581,084.28/x - Step 3: Cross multiply
235,702,138.09x = 325,239,475.52 × 136,581,084.28 - Step 4: Simplify right side
235,702,138.09x = 44,421,560,215,328,080 - Step 5: Solve for x
x = 44,421,560,215,328,080/235,702,138.09 - Step 6: Final answer
x = 188,464,816.55
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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.