Finding the Fourth Proportional to 66,048,266.80, 98,977,921.80 and 48,640,621.60
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Solution
The fourth proportional to 66,048,266.80, 98,977,921.80 and 48,640,621.60 is: 72,891,354.68
Step by Step Solution
- Step 1: Write the proportion equation
66,048,266.80 : 98,977,921.80 = 48,640,621.60 : x - Step 2: Convert to fraction form
66,048,266.80/98,977,921.80 = 48,640,621.60/x - Step 3: Cross multiply
66,048,266.80x = 98,977,921.80 × 48,640,621.60 - Step 4: Simplify right side
66,048,266.80x = 4,814,347,641,028,191 - Step 5: Solve for x
x = 4,814,347,641,028,191/66,048,266.80 - Step 6: Final answer
x = 72,891,354.68
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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.