Finding the Fourth Proportional to 67,161,709.20, 100,574,602.20 and 53,724,781.20
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Solution
The fourth proportional to 67,161,709.20, 100,574,602.20 and 53,724,781.20 is: 80,452,813.99
Step by Step Solution
- Step 1: Write the proportion equation
67,161,709.20 : 100,574,602.20 = 53,724,781.20 : x - Step 2: Convert to fraction form
67,161,709.20/100,574,602.20 = 53,724,781.20/x - Step 3: Cross multiply
67,161,709.20x = 100,574,602.20 × 53,724,781.20 - Step 4: Simplify right side
67,161,709.20x = 5,403,348,497,472,039 - Step 5: Solve for x
x = 5,403,348,497,472,039/67,161,709.20 - Step 6: Final answer
x = 80,452,813.99
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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.