Finding the Fourth Proportional to 154,507,013.87, 213,166,944.41 and 95,748,239.70
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Solution
The fourth proportional to 154,507,013.87, 213,166,944.41 and 95,748,239.70 is: 132,099,890.99
Step by Step Solution
- Step 1: Write the proportion equation
154,507,013.87 : 213,166,944.41 = 95,748,239.70 : x - Step 2: Convert to fraction form
154,507,013.87/213,166,944.41 = 95,748,239.70/x - Step 3: Cross multiply
154,507,013.87x = 213,166,944.41 × 95,748,239.70 - Step 4: Simplify right side
154,507,013.87x = 20,410,359,689,006,516 - Step 5: Solve for x
x = 20,410,359,689,006,516/154,507,013.87 - Step 6: Final answer
x = 132,099,890.99
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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.