Finding the Fourth Proportional to 65,288,167.70, 97,820,277.15 and 31,135,975.70
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Solution
The fourth proportional to 65,288,167.70, 97,820,277.15 and 31,135,975.70 is: 46,650,562.88
Step by Step Solution
- Step 1: Write the proportion equation
65,288,167.70 : 97,820,277.15 = 31,135,975.70 : x - Step 2: Convert to fraction form
65,288,167.70/97,820,277.15 = 31,135,975.70/x - Step 3: Cross multiply
65,288,167.70x = 97,820,277.15 × 31,135,975.70 - Step 4: Simplify right side
65,288,167.70x = 3,045,729,772,309,665.50 - Step 5: Solve for x
x = 3,045,729,772,309,665.50/65,288,167.70 - Step 6: Final answer
x = 46,650,562.88
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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.