Finding the Fourth Proportional to 388,312,131.20, 582,468,201.65 and 93,207,250.31
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Solution
The fourth proportional to 388,312,131.20, 582,468,201.65 and 93,207,250.31 is: 139,810,876.62
Step by Step Solution
- Step 1: Write the proportion equation
388,312,131.20 : 582,468,201.65 = 93,207,250.31 : x - Step 2: Convert to fraction form
388,312,131.20/582,468,201.65 = 93,207,250.31/x - Step 3: Cross multiply
388,312,131.20x = 582,468,201.65 × 93,207,250.31 - Step 4: Simplify right side
388,312,131.20x = 54,290,259,465,428,728 - Step 5: Solve for x
x = 54,290,259,465,428,728/388,312,131.20 - Step 6: Final answer
x = 139,810,876.62
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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.