Finding the Fourth Proportional to 65,198,658.68, 97,812,101.50 and 19,763,879.48
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Solution
The fourth proportional to 65,198,658.68, 97,812,101.50 and 19,763,879.48 is: 29,650,097.48
Step by Step Solution
- Step 1: Write the proportion equation
65,198,658.68 : 97,812,101.50 = 19,763,879.48 : x - Step 2: Convert to fraction form
65,198,658.68/97,812,101.50 = 19,763,879.48/x - Step 3: Cross multiply
65,198,658.68x = 97,812,101.50 × 19,763,879.48 - Step 4: Simplify right side
65,198,658.68x = 1,933,146,585,731,527.25 - Step 5: Solve for x
x = 1,933,146,585,731,527.25/65,198,658.68 - Step 6: Final answer
x = 29,650,097.48
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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.