Finding the Fourth Proportional to 80,751,268.80, 121,126,903.20 and 74,515,694.40
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Solution
The fourth proportional to 80,751,268.80, 121,126,903.20 and 74,515,694.40 is: 111,773,541.60
Step by Step Solution
- Step 1: Write the proportion equation
80,751,268.80 : 121,126,903.20 = 74,515,694.40 : x - Step 2: Convert to fraction form
80,751,268.80/121,126,903.20 = 74,515,694.40/x - Step 3: Cross multiply
80,751,268.80x = 121,126,903.20 × 74,515,694.40 - Step 4: Simplify right side
80,751,268.80x = 9,025,855,302,469,584 - Step 5: Solve for x
x = 9,025,855,302,469,584/80,751,268.80 - Step 6: Final answer
x = 111,773,541.60
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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.