Finding the Fourth Proportional to 66,415,845.20, 99,642,430.20 and 32,338,302.80
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Solution
The fourth proportional to 66,415,845.20, 99,642,430.20 and 32,338,302.80 is: 48,516,541.04
Step by Step Solution
- Step 1: Write the proportion equation
66,415,845.20 : 99,642,430.20 = 32,338,302.80 : x - Step 2: Convert to fraction form
66,415,845.20/99,642,430.20 = 32,338,302.80/x - Step 3: Cross multiply
66,415,845.20x = 99,642,430.20 × 32,338,302.80 - Step 4: Simplify right side
66,415,845.20x = 3,222,267,079,535,464.50 - Step 5: Solve for x
x = 3,222,267,079,535,464.50/66,415,845.20 - Step 6: Final answer
x = 48,516,541.04
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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.