Finding the Fourth Proportional to 68,375,770.40, 102,563,655.60 and 19,853,530.40
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Solution
The fourth proportional to 68,375,770.40, 102,563,655.60 and 19,853,530.40 is: 29,780,295.60
Step by Step Solution
- Step 1: Write the proportion equation
68,375,770.40 : 102,563,655.60 = 19,853,530.40 : x - Step 2: Convert to fraction form
68,375,770.40/102,563,655.60 = 19,853,530.40/x - Step 3: Cross multiply
68,375,770.40x = 102,563,655.60 × 19,853,530.40 - Step 4: Simplify right side
68,375,770.40x = 2,036,250,654,389,730 - Step 5: Solve for x
x = 2,036,250,654,389,730/68,375,770.40 - Step 6: Final answer
x = 29,780,295.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.