Finding the Fourth Proportional to 99,664,901.70, 149,497,352.55 and 65,227,524.90
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Solution
The fourth proportional to 99,664,901.70, 149,497,352.55 and 65,227,524.90 is: 97,841,287.35
Step by Step Solution
- Step 1: Write the proportion equation
99,664,901.70 : 149,497,352.55 = 65,227,524.90 : x - Step 2: Convert to fraction form
99,664,901.70/149,497,352.55 = 65,227,524.90/x - Step 3: Cross multiply
99,664,901.70x = 149,497,352.55 × 65,227,524.90 - Step 4: Simplify right side
99,664,901.70x = 9,751,342,285,939,204 - Step 5: Solve for x
x = 9,751,342,285,939,204/99,664,901.70 - Step 6: Final answer
x = 97,841,287.35
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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.