Finding the Fourth Proportional to 86,220,245.18, 129,329,149.65 and 40,136,338.87
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Solution
The fourth proportional to 86,220,245.18, 129,329,149.65 and 40,136,338.87 is: 60,203,941.26
Step by Step Solution
- Step 1: Write the proportion equation
86,220,245.18 : 129,329,149.65 = 40,136,338.87 : x - Step 2: Convert to fraction form
86,220,245.18/129,329,149.65 = 40,136,338.87/x - Step 3: Cross multiply
86,220,245.18x = 129,329,149.65 × 40,136,338.87 - Step 4: Simplify right side
86,220,245.18x = 5,190,798,576,121,342 - Step 5: Solve for x
x = 5,190,798,576,121,342/86,220,245.18 - Step 6: Final answer
x = 60,203,941.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.