Finding the Fourth Proportional to 146,416,719.92, 201,871,229.64 and 107,190,395.70
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Solution
The fourth proportional to 146,416,719.92, 201,871,229.64 and 107,190,395.70 is: 147,788,155.60
Step by Step Solution
- Step 1: Write the proportion equation
146,416,719.92 : 201,871,229.64 = 107,190,395.70 : x - Step 2: Convert to fraction form
146,416,719.92/201,871,229.64 = 107,190,395.70/x - Step 3: Cross multiply
146,416,719.92x = 201,871,229.64 × 107,190,395.70 - Step 4: Simplify right side
146,416,719.92x = 21,638,656,985,557,168 - Step 5: Solve for x
x = 21,638,656,985,557,168/146,416,719.92 - Step 6: Final answer
x = 147,788,155.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.