Finding the Fourth Proportional to 65,203,988.60, 97,805,982.90 and 43,704,903.80
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Solution
The fourth proportional to 65,203,988.60, 97,805,982.90 and 43,704,903.80 is: 65,557,355.70
Step by Step Solution
- Step 1: Write the proportion equation
65,203,988.60 : 97,805,982.90 = 43,704,903.80 : x - Step 2: Convert to fraction form
65,203,988.60/97,805,982.90 = 43,704,903.80/x - Step 3: Cross multiply
65,203,988.60x = 97,805,982.90 × 43,704,903.80 - Step 4: Simplify right side
65,203,988.60x = 4,274,601,073,708,945 - Step 5: Solve for x
x = 4,274,601,073,708,945/65,203,988.60 - Step 6: Final answer
x = 65,557,355.70
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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.