Finding the Fourth Proportional to 108,867,631.80, 163,301,447.70 and 44,202,415.80
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Solution
The fourth proportional to 108,867,631.80, 163,301,447.70 and 44,202,415.80 is: 66,303,623.70
Step by Step Solution
- Step 1: Write the proportion equation
108,867,631.80 : 163,301,447.70 = 44,202,415.80 : x - Step 2: Convert to fraction form
108,867,631.80/163,301,447.70 = 44,202,415.80/x - Step 3: Cross multiply
108,867,631.80x = 163,301,447.70 × 44,202,415.80 - Step 4: Simplify right side
108,867,631.80x = 7,218,318,491,977,353 - Step 5: Solve for x
x = 7,218,318,491,977,353/108,867,631.80 - Step 6: Final answer
x = 66,303,623.70
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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.