Finding the Fourth Proportional to 147,523,207.80, 221,284,811.70 and 75,859,591.80
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Solution
The fourth proportional to 147,523,207.80, 221,284,811.70 and 75,859,591.80 is: 113,789,387.70
Step by Step Solution
- Step 1: Write the proportion equation
147,523,207.80 : 221,284,811.70 = 75,859,591.80 : x - Step 2: Convert to fraction form
147,523,207.80/221,284,811.70 = 75,859,591.80/x - Step 3: Cross multiply
147,523,207.80x = 221,284,811.70 × 75,859,591.80 - Step 4: Simplify right side
147,523,207.80x = 16,786,575,487,101,862 - Step 5: Solve for x
x = 16,786,575,487,101,862/147,523,207.80 - Step 6: Final answer
x = 113,789,387.70
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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.