Finding the Fourth Proportional to 64,690,000.70, 97,007,007.45 and 26,338,768.70
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Solution
The fourth proportional to 64,690,000.70, 97,007,007.45 and 26,338,768.70 is: 39,496,755.35
Step by Step Solution
- Step 1: Write the proportion equation
64,690,000.70 : 97,007,007.45 = 26,338,768.70 : x - Step 2: Convert to fraction form
64,690,000.70/97,007,007.45 = 26,338,768.70/x - Step 3: Cross multiply
64,690,000.70x = 97,007,007.45 × 26,338,768.70 - Step 4: Simplify right side
64,690,000.70x = 2,555,045,131,504,727 - Step 5: Solve for x
x = 2,555,045,131,504,727/64,690,000.70 - Step 6: Final answer
x = 39,496,755.35
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1.5x scale
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.