Finding the Fourth Proportional to 65,204,090.40, 97,806,135.60 and 48,941,995.80
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Solution
The fourth proportional to 65,204,090.40, 97,806,135.60 and 48,941,995.80 is: 73,412,993.70
Step by Step Solution
- Step 1: Write the proportion equation
65,204,090.40 : 97,806,135.60 = 48,941,995.80 : x - Step 2: Convert to fraction form
65,204,090.40/97,806,135.60 = 48,941,995.80/x - Step 3: Cross multiply
65,204,090.40x = 97,806,135.60 × 48,941,995.80 - Step 4: Simplify right side
65,204,090.40x = 4,786,827,477,749,430 - Step 5: Solve for x
x = 4,786,827,477,749,430/65,204,090.40 - Step 6: Final answer
x = 73,412,993.70
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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.