Finding the Fourth Proportional to 192,482,669.70, 288,724,004.55 and 115,955,165.70
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Solution
The fourth proportional to 192,482,669.70, 288,724,004.55 and 115,955,165.70 is: 173,932,748.55
Step by Step Solution
- Step 1: Write the proportion equation
192,482,669.70 : 288,724,004.55 = 115,955,165.70 : x - Step 2: Convert to fraction form
192,482,669.70/288,724,004.55 = 115,955,165.70/x - Step 3: Cross multiply
192,482,669.70x = 288,724,004.55 × 115,955,165.70 - Step 4: Simplify right side
192,482,669.70x = 33,479,039,789,162,808 - Step 5: Solve for x
x = 33,479,039,789,162,808/192,482,669.70 - Step 6: Final answer
x = 173,932,748.55
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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.