Finding the Fourth Proportional to 121,385,958.60, 182,015,952.30 and 44,669,497.80
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Solution
The fourth proportional to 121,385,958.60, 182,015,952.30 and 44,669,497.80 is: 66,981,068.28
Step by Step Solution
- Step 1: Write the proportion equation
121,385,958.60 : 182,015,952.30 = 44,669,497.80 : x - Step 2: Convert to fraction form
121,385,958.60/182,015,952.30 = 44,669,497.80/x - Step 3: Cross multiply
121,385,958.60x = 182,015,952.30 × 44,669,497.80 - Step 4: Simplify right side
121,385,958.60x = 8,130,561,180,829,755 - Step 5: Solve for x
x = 8,130,561,180,829,755/121,385,958.60 - Step 6: Final answer
x = 66,981,068.28
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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.