Finding the Fourth Proportional to 227,139,214.40, 340,708,821.60 and 73,800,771.20
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Solution
The fourth proportional to 227,139,214.40, 340,708,821.60 and 73,800,771.20 is: 110,701,156.80
Step by Step Solution
- Step 1: Write the proportion equation
227,139,214.40 : 340,708,821.60 = 73,800,771.20 : x - Step 2: Convert to fraction form
227,139,214.40/340,708,821.60 = 73,800,771.20/x - Step 3: Cross multiply
227,139,214.40x = 340,708,821.60 × 73,800,771.20 - Step 4: Simplify right side
227,139,214.40x = 25,144,573,788,723,220 - Step 5: Solve for x
x = 25,144,573,788,723,220/227,139,214.40 - Step 6: Final answer
x = 110,701,156.80
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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.