Finding the Fourth Proportional to 129,923,189.08, 194,883,088.25 and 31,555,701.99
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Solution
The fourth proportional to 129,923,189.08, 194,883,088.25 and 31,555,701.99 is: 47,333,141.22
Step by Step Solution
- Step 1: Write the proportion equation
129,923,189.08 : 194,883,088.25 = 31,555,701.99 : x - Step 2: Convert to fraction form
129,923,189.08/194,883,088.25 = 31,555,701.99/x - Step 3: Cross multiply
129,923,189.08x = 194,883,088.25 × 31,555,701.99 - Step 4: Simplify right side
129,923,189.08x = 6,149,672,655,786,759 - Step 5: Solve for x
x = 6,149,672,655,786,759/129,923,189.08 - Step 6: Final answer
x = 47,333,141.22
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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.