Finding the Fourth Proportional to 83,491,553.23, 125,241,266.45 and 68,891,392.74
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Solution
The fourth proportional to 83,491,553.23, 125,241,266.45 and 68,891,392.74 is: 103,340,337.32
Step by Step Solution
- Step 1: Write the proportion equation
83,491,553.23 : 125,241,266.45 = 68,891,392.74 : x - Step 2: Convert to fraction form
83,491,553.23/125,241,266.45 = 68,891,392.74/x - Step 3: Cross multiply
83,491,553.23x = 125,241,266.45 × 68,891,392.74 - Step 4: Simplify right side
83,491,553.23x = 8,628,045,274,261,935 - Step 5: Solve for x
x = 8,628,045,274,261,935/83,491,553.23 - Step 6: Final answer
x = 103,340,337.32
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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.