Finding the Fourth Proportional to 65,288,057.70, 97,820,112.15 and 31,135,865.70
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Solution
The fourth proportional to 65,288,057.70, 97,820,112.15 and 31,135,865.70 is: 46,650,397.97
Step by Step Solution
- Step 1: Write the proportion equation
65,288,057.70 : 97,820,112.15 = 31,135,865.70 : x - Step 2: Convert to fraction form
65,288,057.70/97,820,112.15 = 31,135,865.70/x - Step 3: Cross multiply
65,288,057.70x = 97,820,112.15 × 31,135,865.70 - Step 4: Simplify right side
65,288,057.70x = 3,045,713,874,661,338.50 - Step 5: Solve for x
x = 3,045,713,874,661,338.50/65,288,057.70 - Step 6: Final answer
x = 46,650,397.97
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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.