Finding the Fourth Proportional to 83,661,245.80, 125,491,868.70 and 58,152,077.80
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Solution
The fourth proportional to 83,661,245.80, 125,491,868.70 and 58,152,077.80 is: 87,228,116.70
Step by Step Solution
- Step 1: Write the proportion equation
83,661,245.80 : 125,491,868.70 = 58,152,077.80 : x - Step 2: Convert to fraction form
83,661,245.80/125,491,868.70 = 58,152,077.80/x - Step 3: Cross multiply
83,661,245.80x = 125,491,868.70 × 58,152,077.80 - Step 4: Simplify right side
83,661,245.80x = 7,297,612,911,909,785 - Step 5: Solve for x
x = 7,297,612,911,909,785/83,661,245.80 - Step 6: Final answer
x = 87,228,116.70
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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.