Finding the Fourth Proportional to 252,341,378.22, 378,509,022.62 and 65,578,775.48
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Solution
The fourth proportional to 252,341,378.22, 378,509,022.62 and 65,578,775.48 is: 98,367,371.96
Step by Step Solution
- Step 1: Write the proportion equation
252,341,378.22 : 378,509,022.62 = 65,578,775.48 : x - Step 2: Convert to fraction form
252,341,378.22/378,509,022.62 = 65,578,775.48/x - Step 3: Cross multiply
252,341,378.22x = 378,509,022.62 × 65,578,775.48 - Step 4: Simplify right side
252,341,378.22x = 24,822,158,211,551,220 - Step 5: Solve for x
x = 24,822,158,211,551,220/252,341,378.22 - Step 6: Final answer
x = 98,367,371.96
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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.