Finding the Fourth Proportional to 91,588,283.10, 126,393,063.06 and 49,773,178.44
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Solution
The fourth proportional to 91,588,283.10, 126,393,063.06 and 49,773,178.44 is: 68,687,655.98
Step by Step Solution
- Step 1: Write the proportion equation
91,588,283.10 : 126,393,063.06 = 49,773,178.44 : x - Step 2: Convert to fraction form
91,588,283.10/126,393,063.06 = 49,773,178.44/x - Step 3: Cross multiply
91,588,283.10x = 126,393,063.06 × 49,773,178.44 - Step 4: Simplify right side
91,588,283.10x = 6,290,984,481,263,552 - Step 5: Solve for x
x = 6,290,984,481,263,552/91,588,283.10 - Step 6: Final answer
x = 68,687,655.98
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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.