Finding the Fourth Proportional to 61,253,729.10, 91,854,021.60 and 20,297,342.70
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Solution
The fourth proportional to 61,253,729.10, 91,854,021.60 and 20,297,342.70 is: 30,437,209.00
Step by Step Solution
- Step 1: Write the proportion equation
61,253,729.10 : 91,854,021.60 = 20,297,342.70 : x - Step 2: Convert to fraction form
61,253,729.10/91,854,021.60 = 20,297,342.70/x - Step 3: Cross multiply
61,253,729.10x = 91,854,021.60 × 20,297,342.70 - Step 4: Simplify right side
61,253,729.10x = 1,864,392,554,788,402.25 - Step 5: Solve for x
x = 1,864,392,554,788,402.25/61,253,729.10 - Step 6: Final answer
x = 30,437,209.00
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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.