Finding the Fourth Proportional to 54,191,912.85, 81,269,646.99 and 19,641,082.08
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Solution
The fourth proportional to 54,191,912.85, 81,269,646.99 and 19,641,082.08 is: 29,455,018.71
Step by Step Solution
- Step 1: Write the proportion equation
54,191,912.85 : 81,269,646.99 = 19,641,082.08 : x - Step 2: Convert to fraction form
54,191,912.85/81,269,646.99 = 19,641,082.08/x - Step 3: Cross multiply
54,191,912.85x = 81,269,646.99 × 19,641,082.08 - Step 4: Simplify right side
54,191,912.85x = 1,596,223,807,143,214.75 - Step 5: Solve for x
x = 1,596,223,807,143,214.75/54,191,912.85 - Step 6: Final answer
x = 29,455,018.71
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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.