Finding the Fourth Proportional to 202,880,439.85, 279,951,387.35 and 113,577,274.13
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Solution
The fourth proportional to 202,880,439.85, 279,951,387.35 and 113,577,274.13 is: 156,723,415.46
Step by Step Solution
- Step 1: Write the proportion equation
202,880,439.85 : 279,951,387.35 = 113,577,274.13 : x - Step 2: Convert to fraction form
202,880,439.85/279,951,387.35 = 113,577,274.13/x - Step 3: Cross multiply
202,880,439.85x = 279,951,387.35 × 113,577,274.13 - Step 4: Simplify right side
202,880,439.85x = 31,796,115,463,074,948 - Step 5: Solve for x
x = 31,796,115,463,074,948/202,880,439.85 - Step 6: Final answer
x = 156,723,415.46
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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.