Finding the Fourth Proportional to 149,321,890.40, 206,076,473.69 and 82,353,948.08
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Solution
The fourth proportional to 149,321,890.40, 206,076,473.69 and 82,353,948.08 is: 113,655,212.70
Step by Step Solution
- Step 1: Write the proportion equation
149,321,890.40 : 206,076,473.69 = 82,353,948.08 : x - Step 2: Convert to fraction form
149,321,890.40/206,076,473.69 = 82,353,948.08/x - Step 3: Cross multiply
149,321,890.40x = 206,076,473.69 × 82,353,948.08 - Step 4: Simplify right side
149,321,890.40x = 16,971,211,213,333,594 - Step 5: Solve for x
x = 16,971,211,213,333,594/149,321,890.40 - Step 6: Final answer
x = 113,655,212.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.