Finding the Fourth Proportional to 65,581,490.70, 98,372,236.05 and 27,223,260.30
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Solution
The fourth proportional to 65,581,490.70, 98,372,236.05 and 27,223,260.30 is: 40,834,890.45
Step by Step Solution
- Step 1: Write the proportion equation
65,581,490.70 : 98,372,236.05 = 27,223,260.30 : x - Step 2: Convert to fraction form
65,581,490.70/98,372,236.05 = 27,223,260.30/x - Step 3: Cross multiply
65,581,490.70x = 98,372,236.05 × 27,223,260.30 - Step 4: Simplify right side
65,581,490.70x = 2,678,012,988,282,194 - Step 5: Solve for x
x = 2,678,012,988,282,194/65,581,490.70 - Step 6: Final answer
x = 40,834,890.45
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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.