Finding the Fourth Proportional to 52,207,937.30, 78,311,905.95 and 44,481,703.70
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Solution
The fourth proportional to 52,207,937.30, 78,311,905.95 and 44,481,703.70 is: 66,722,555.55
Step by Step Solution
- Step 1: Write the proportion equation
52,207,937.30 : 78,311,905.95 = 44,481,703.70 : x - Step 2: Convert to fraction form
52,207,937.30/78,311,905.95 = 44,481,703.70/x - Step 3: Cross multiply
52,207,937.30x = 78,311,905.95 × 44,481,703.70 - Step 4: Simplify right side
52,207,937.30x = 3,483,446,996,650,167.50 - Step 5: Solve for x
x = 3,483,446,996,650,167.50/52,207,937.30 - Step 6: Final answer
x = 66,722,555.55
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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.