Finding the Fourth Proportional to 43,841,779.20, 65,781,331.20 and 27,680,140.80
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Solution
The fourth proportional to 43,841,779.20, 65,781,331.20 and 27,680,140.80 is: 41,531,993.98
Step by Step Solution
- Step 1: Write the proportion equation
43,841,779.20 : 65,781,331.20 = 27,680,140.80 : x - Step 2: Convert to fraction form
43,841,779.20/65,781,331.20 = 27,680,140.80/x - Step 3: Cross multiply
43,841,779.20x = 65,781,331.20 × 27,680,140.80 - Step 4: Simplify right side
43,841,779.20x = 1,820,836,509,627,433 - Step 5: Solve for x
x = 1,820,836,509,627,433/43,841,779.20 - Step 6: Final answer
x = 41,531,993.98
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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.