Finding the Fourth Proportional to 57,365,282.43, 79,163,651.47 and 31,259,719.53
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Solution
The fourth proportional to 57,365,282.43, 79,163,651.47 and 31,259,719.53 is: 43,138,174.12
Step by Step Solution
- Step 1: Write the proportion equation
57,365,282.43 : 79,163,651.47 = 31,259,719.53 : x - Step 2: Convert to fraction form
57,365,282.43/79,163,651.47 = 31,259,719.53/x - Step 3: Cross multiply
57,365,282.43x = 79,163,651.47 × 31,259,719.53 - Step 4: Simplify right side
57,365,282.43x = 2,474,633,541,922,872.50 - Step 5: Solve for x
x = 2,474,633,541,922,872.50/57,365,282.43 - Step 6: Final answer
x = 43,138,174.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.