Finding the Fourth Proportional to 189,161,919.02, 260,811,530.24 and 155,553,950.01
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Solution
The fourth proportional to 189,161,919.02, 260,811,530.24 and 155,553,950.01 is: 214,473,737.35
Step by Step Solution
- Step 1: Write the proportion equation
189,161,919.02 : 260,811,530.24 = 155,553,950.01 : x - Step 2: Convert to fraction form
189,161,919.02/260,811,530.24 = 155,553,950.01/x - Step 3: Cross multiply
189,161,919.02x = 260,811,530.24 × 155,553,950.01 - Step 4: Simplify right side
189,161,919.02x = 40,570,263,735,680,504 - Step 5: Solve for x
x = 40,570,263,735,680,504/189,161,919.02 - Step 6: Final answer
x = 214,473,737.35
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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.