Finding the Fourth Proportional to 154,151,184, 212,709,082.14 and 84,518,241.24
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Solution
The fourth proportional to 154,151,184, 212,709,082.14 and 84,518,241.24 is: 116,624,453.03
Step by Step Solution
- Step 1: Write the proportion equation
154,151,184 : 212,709,082.14 = 84,518,241.24 : x - Step 2: Convert to fraction form
154,151,184/212,709,082.14 = 84,518,241.24/x - Step 3: Cross multiply
154,151,184x = 212,709,082.14 × 84,518,241.24 - Step 4: Simplify right side
154,151,184x = 17,977,797,518,247,494 - Step 5: Solve for x
x = 17,977,797,518,247,494/154,151,184 - Step 6: Final answer
x = 116,624,453.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.