Finding the Fourth Proportional to 121,569,475.20, 182,354,212.80 and 36,468,931.20
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Solution
The fourth proportional to 121,569,475.20, 182,354,212.80 and 36,468,931.20 is: 54,703,396.80
Step by Step Solution
- Step 1: Write the proportion equation
121,569,475.20 : 182,354,212.80 = 36,468,931.20 : x - Step 2: Convert to fraction form
121,569,475.20/182,354,212.80 = 36,468,931.20/x - Step 3: Cross multiply
121,569,475.20x = 182,354,212.80 × 36,468,931.20 - Step 4: Simplify right side
121,569,475.20x = 6,650,263,240,633,360 - Step 5: Solve for x
x = 6,650,263,240,633,360/121,569,475.20 - Step 6: Final answer
x = 54,703,396.80
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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.