Finding the Fourth Proportional to 197,143,318.80, 295,148,107.80 and 191,474,614.80
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Solution
The fourth proportional to 197,143,318.80, 295,148,107.80 and 191,474,614.80 is: 286,661,351.72
Step by Step Solution
- Step 1: Write the proportion equation
197,143,318.80 : 295,148,107.80 = 191,474,614.80 : x - Step 2: Convert to fraction form
197,143,318.80/295,148,107.80 = 191,474,614.80/x - Step 3: Cross multiply
197,143,318.80x = 295,148,107.80 × 191,474,614.80 - Step 4: Simplify right side
197,143,318.80x = 56,513,370,249,953,880 - Step 5: Solve for x
x = 56,513,370,249,953,880/197,143,318.80 - Step 6: Final answer
x = 286,661,351.72
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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.