Finding the Fourth Proportional to 118,339,243.20, 177,508,864.80 and 69,840,331.20
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Solution
The fourth proportional to 118,339,243.20, 177,508,864.80 and 69,840,331.20 is: 104,760,496.80
Step by Step Solution
- Step 1: Write the proportion equation
118,339,243.20 : 177,508,864.80 = 69,840,331.20 : x - Step 2: Convert to fraction form
118,339,243.20/177,508,864.80 = 69,840,331.20/x - Step 3: Cross multiply
118,339,243.20x = 177,508,864.80 × 69,840,331.20 - Step 4: Simplify right side
118,339,243.20x = 12,397,277,908,568,024 - Step 5: Solve for x
x = 12,397,277,908,568,024/118,339,243.20 - Step 6: Final answer
x = 104,760,496.80
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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.