Finding the Fourth Proportional to 55,997,813.20, 83,996,719.80 and 44,660,405.20
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Solution
The fourth proportional to 55,997,813.20, 83,996,719.80 and 44,660,405.20 is: 66,990,607.80
Step by Step Solution
- Step 1: Write the proportion equation
55,997,813.20 : 83,996,719.80 = 44,660,405.20 : x - Step 2: Convert to fraction form
55,997,813.20/83,996,719.80 = 44,660,405.20/x - Step 3: Cross multiply
55,997,813.20x = 83,996,719.80 × 44,660,405.20 - Step 4: Simplify right side
55,997,813.20x = 3,751,327,541,738,863 - Step 5: Solve for x
x = 3,751,327,541,738,863/55,997,813.20 - Step 6: Final answer
x = 66,990,607.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.