Finding the Fourth Proportional to 141,541,805.70, 212,312,708.55 and 96,192,173.70
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Solution
The fourth proportional to 141,541,805.70, 212,312,708.55 and 96,192,173.70 is: 144,288,260.55
Step by Step Solution
- Step 1: Write the proportion equation
141,541,805.70 : 212,312,708.55 = 96,192,173.70 : x - Step 2: Convert to fraction form
141,541,805.70/212,312,708.55 = 96,192,173.70/x - Step 3: Cross multiply
141,541,805.70x = 212,312,708.55 × 96,192,173.70 - Step 4: Simplify right side
141,541,805.70x = 20,422,820,939,559,076 - Step 5: Solve for x
x = 20,422,820,939,559,076/141,541,805.70 - Step 6: Final answer
x = 144,288,260.55
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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.