Finding the Fourth Proportional to 136,880,379.12, 205,346,464.20 and 55,005,630.96
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Solution
The fourth proportional to 136,880,379.12, 205,346,464.20 and 55,005,630.96 is: 82,518,852.60
Step by Step Solution
- Step 1: Write the proportion equation
136,880,379.12 : 205,346,464.20 = 55,005,630.96 : x - Step 2: Convert to fraction form
136,880,379.12/205,346,464.20 = 55,005,630.96/x - Step 3: Cross multiply
136,880,379.12x = 205,346,464.20 × 55,005,630.96 - Step 4: Simplify right side
136,880,379.12x = 11,295,211,828,726,052 - Step 5: Solve for x
x = 11,295,211,828,726,052/136,880,379.12 - Step 6: Final answer
x = 82,518,852.60
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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.