Finding the Fourth Proportional to 85,207,496.40, 127,811,244.60 and 65,052,104.40
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Solution
The fourth proportional to 85,207,496.40, 127,811,244.60 and 65,052,104.40 is: 97,578,156.60
Step by Step Solution
- Step 1: Write the proportion equation
85,207,496.40 : 127,811,244.60 = 65,052,104.40 : x - Step 2: Convert to fraction form
85,207,496.40/127,811,244.60 = 65,052,104.40/x - Step 3: Cross multiply
85,207,496.40x = 127,811,244.60 × 65,052,104.40 - Step 4: Simplify right side
85,207,496.40x = 8,314,390,427,213,136 - Step 5: Solve for x
x = 8,314,390,427,213,136/85,207,496.40 - Step 6: Final answer
x = 97,578,156.60
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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.