Finding the Fourth Proportional to 121,570,353.70, 182,355,530.55 and 36,469,809.70
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Solution
The fourth proportional to 121,570,353.70, 182,355,530.55 and 36,469,809.70 is: 54,704,714.55
Step by Step Solution
- Step 1: Write the proportion equation
121,570,353.70 : 182,355,530.55 = 36,469,809.70 : x - Step 2: Convert to fraction form
121,570,353.70/182,355,530.55 = 36,469,809.70/x - Step 3: Cross multiply
121,570,353.70x = 182,355,530.55 × 36,469,809.70 - Step 4: Simplify right side
121,570,353.70x = 6,650,471,496,901,037 - Step 5: Solve for x
x = 6,650,471,496,901,037/121,570,353.70 - Step 6: Final answer
x = 54,704,714.55
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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.