Finding the Fourth Proportional to 71,006,528.90, 106,509,793.35 and 27,853,519.70
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Solution
The fourth proportional to 71,006,528.90, 106,509,793.35 and 27,853,519.70 is: 41,780,279.55
Step by Step Solution
- Step 1: Write the proportion equation
71,006,528.90 : 106,509,793.35 = 27,853,519.70 : x - Step 2: Convert to fraction form
71,006,528.90/106,509,793.35 = 27,853,519.70/x - Step 3: Cross multiply
71,006,528.90x = 106,509,793.35 × 27,853,519.70 - Step 4: Simplify right side
71,006,528.90x = 2,966,672,627,317,153.50 - Step 5: Solve for x
x = 2,966,672,627,317,153.50/71,006,528.90 - Step 6: Final answer
x = 41,780,279.55
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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.