Finding the Fourth Proportional to 86,500,540.70, 129,750,811.05 and 25,916,266.70
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Solution
The fourth proportional to 86,500,540.70, 129,750,811.05 and 25,916,266.70 is: 38,874,400.05
Step by Step Solution
- Step 1: Write the proportion equation
86,500,540.70 : 129,750,811.05 = 25,916,266.70 : x - Step 2: Convert to fraction form
86,500,540.70/129,750,811.05 = 25,916,266.70/x - Step 3: Cross multiply
86,500,540.70x = 129,750,811.05 × 25,916,266.70 - Step 4: Simplify right side
86,500,540.70x = 3,362,656,623,713,107 - Step 5: Solve for x
x = 3,362,656,623,713,107/86,500,540.70 - Step 6: Final answer
x = 38,874,400.05
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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.