Finding the Fourth Proportional to 107,625,727,324.70, 161,438,590,987.05 and 65,784,314,512.70
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Solution
The fourth proportional to 107,625,727,324.70, 161,438,590,987.05 and 65,784,314,512.70 is: 98,676,471,769.05
Step by Step Solution
- Step 1: Write the proportion equation
107,625,727,324.70 : 161,438,590,987.05 = 65,784,314,512.70 : x - Step 2: Convert to fraction form
107,625,727,324.70/161,438,590,987.05 = 65,784,314,512.70/x - Step 3: Cross multiply
107,625,727,324.70x = 161,438,590,987.05 × 65,784,314,512.70 - Step 4: Simplify right side
107,625,727,324.70x = 10,620,127,043,979,231,363,072 - Step 5: Solve for x
x = 10,620,127,043,979,231,363,072/107,625,727,324.70 - Step 6: Final answer
x = 98,676,471,769.05
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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.