Finding the Fourth Proportional to 242,493,134.40, 363,739,701.60 and 145,747,252.80
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Solution
The fourth proportional to 242,493,134.40, 363,739,701.60 and 145,747,252.80 is: 218,620,879.20
Step by Step Solution
- Step 1: Write the proportion equation
242,493,134.40 : 363,739,701.60 = 145,747,252.80 : x - Step 2: Convert to fraction form
242,493,134.40/363,739,701.60 = 145,747,252.80/x - Step 3: Cross multiply
242,493,134.40x = 363,739,701.60 × 145,747,252.80 - Step 4: Simplify right side
242,493,134.40x = 53,014,062,242,491,776 - Step 5: Solve for x
x = 53,014,062,242,491,776/242,493,134.40 - Step 6: Final answer
x = 218,620,879.20
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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.