Finding the Fourth Proportional to 38,249,275.67, 57,390,816.29 and 20,049,119.08
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Solution
The fourth proportional to 38,249,275.67, 57,390,816.29 and 20,049,119.08 is: 30,082,538.54
Step by Step Solution
- Step 1: Write the proportion equation
38,249,275.67 : 57,390,816.29 = 20,049,119.08 : x - Step 2: Convert to fraction form
38,249,275.67/57,390,816.29 = 20,049,119.08/x - Step 3: Cross multiply
38,249,275.67x = 57,390,816.29 × 20,049,119.08 - Step 4: Simplify right side
38,249,275.67x = 1,150,635,309,652,891.25 - Step 5: Solve for x
x = 1,150,635,309,652,891.25/38,249,275.67 - Step 6: Final answer
x = 30,082,538.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.