Finding the Fourth Proportional to 235,670,256.36, 325,264,529.96 and 136,612,967.28
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Solution
The fourth proportional to 235,670,256.36, 325,264,529.96 and 136,612,967.28 is: 188,548,836.31
Step by Step Solution
- Step 1: Write the proportion equation
235,670,256.36 : 325,264,529.96 = 136,612,967.28 : x - Step 2: Convert to fraction form
235,670,256.36/325,264,529.96 = 136,612,967.28/x - Step 3: Cross multiply
235,670,256.36x = 325,264,529.96 × 136,612,967.28 - Step 4: Simplify right side
235,670,256.36x = 44,435,352,588,770,056 - Step 5: Solve for x
x = 44,435,352,588,770,056/235,670,256.36 - Step 6: Final answer
x = 188,548,836.31
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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.