Finding the Fourth Proportional to 213,025,844.10, 319,318,316.55 and 115,776,077.70
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Solution
The fourth proportional to 213,025,844.10, 319,318,316.55 and 115,776,077.70 is: 173,544,305.78
Step by Step Solution
- Step 1: Write the proportion equation
213,025,844.10 : 319,318,316.55 = 115,776,077.70 : x - Step 2: Convert to fraction form
213,025,844.10/319,318,316.55 = 115,776,077.70/x - Step 3: Cross multiply
213,025,844.10x = 319,318,316.55 × 115,776,077.70 - Step 4: Simplify right side
213,025,844.10x = 36,969,422,227,926,000 - Step 5: Solve for x
x = 36,969,422,227,926,000/213,025,844.10 - Step 6: Final answer
x = 173,544,305.78
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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.