Finding the Fourth Proportional to 86,220,245.18, 129,329,149.64 and 40,136,338.88
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Solution
The fourth proportional to 86,220,245.18, 129,329,149.64 and 40,136,338.88 is: 60,203,941.27
Step by Step Solution
- Step 1: Write the proportion equation
86,220,245.18 : 129,329,149.64 = 40,136,338.88 : x - Step 2: Convert to fraction form
86,220,245.18/129,329,149.64 = 40,136,338.88/x - Step 3: Cross multiply
86,220,245.18x = 129,329,149.64 × 40,136,338.88 - Step 4: Simplify right side
86,220,245.18x = 5,190,798,577,013,270 - Step 5: Solve for x
x = 5,190,798,577,013,270/86,220,245.18 - Step 6: Final answer
x = 60,203,941.27
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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.