Finding the Fourth Proportional to 87,563,207.20, 131,344,810.80 and 51,283,501.60
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Solution
The fourth proportional to 87,563,207.20, 131,344,810.80 and 51,283,501.60 is: 76,925,252.40
Step by Step Solution
- Step 1: Write the proportion equation
87,563,207.20 : 131,344,810.80 = 51,283,501.60 : x - Step 2: Convert to fraction form
87,563,207.20/131,344,810.80 = 51,283,501.60/x - Step 3: Cross multiply
87,563,207.20x = 131,344,810.80 × 51,283,501.60 - Step 4: Simplify right side
87,563,207.20x = 6,735,821,814,813,497 - Step 5: Solve for x
x = 6,735,821,814,813,497/87,563,207.20 - Step 6: Final answer
x = 76,925,252.40
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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.