Finding the Fourth Proportional to 43,740,218.40, 65,610,327.60 and 30,135,328.80
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Solution
The fourth proportional to 43,740,218.40, 65,610,327.60 and 30,135,328.80 is: 45,202,993.20
Step by Step Solution
- Step 1: Write the proportion equation
43,740,218.40 : 65,610,327.60 = 30,135,328.80 : x - Step 2: Convert to fraction form
43,740,218.40/65,610,327.60 = 30,135,328.80/x - Step 3: Cross multiply
43,740,218.40x = 65,610,327.60 × 30,135,328.80 - Step 4: Simplify right side
43,740,218.40x = 1,977,188,794,901,715 - Step 5: Solve for x
x = 1,977,188,794,901,715/43,740,218.40 - Step 6: Final answer
x = 45,202,993.20
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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.