Finding the Fourth Proportional to 202,880,440.21, 279,951,387.84 and 113,577,274.49
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Solution
The fourth proportional to 202,880,440.21, 279,951,387.84 and 113,577,274.49 is: 156,723,415.95
Step by Step Solution
- Step 1: Write the proportion equation
202,880,440.21 : 279,951,387.84 = 113,577,274.49 : x - Step 2: Convert to fraction form
202,880,440.21/279,951,387.84 = 113,577,274.49/x - Step 3: Cross multiply
202,880,440.21x = 279,951,387.84 × 113,577,274.49 - Step 4: Simplify right side
202,880,440.21x = 31,796,115,619,160,368 - Step 5: Solve for x
x = 31,796,115,619,160,368/202,880,440.21 - Step 6: Final answer
x = 156,723,415.95
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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.