Finding the Fourth Proportional to 363,445,135.20, 545,167,702.80 and 220,117,903.20
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Solution
The fourth proportional to 363,445,135.20, 545,167,702.80 and 220,117,903.20 is: 330,176,854.80
Step by Step Solution
- Step 1: Write the proportion equation
363,445,135.20 : 545,167,702.80 = 220,117,903.20 : x - Step 2: Convert to fraction form
363,445,135.20/545,167,702.80 = 220,117,903.20/x - Step 3: Cross multiply
363,445,135.20x = 545,167,702.80 × 220,117,903.20 - Step 4: Simplify right side
363,445,135.20x = 120,001,171,632,696,752 - Step 5: Solve for x
x = 120,001,171,632,696,752/363,445,135.20 - Step 6: Final answer
x = 330,176,854.80
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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.