Finding the Fourth Proportional to 128,480,497.26, 177,303,311.10 and 69,743,202.18
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Solution
The fourth proportional to 128,480,497.26, 177,303,311.10 and 69,743,202.18 is: 96,245,741.08
Step by Step Solution
- Step 1: Write the proportion equation
128,480,497.26 : 177,303,311.10 = 69,743,202.18 : x - Step 2: Convert to fraction form
128,480,497.26/177,303,311.10 = 69,743,202.18/x - Step 3: Cross multiply
128,480,497.26x = 177,303,311.10 × 69,743,202.18 - Step 4: Simplify right side
128,480,497.26x = 12,365,700,673,230,740 - Step 5: Solve for x
x = 12,365,700,673,230,740/128,480,497.26 - Step 6: Final answer
x = 96,245,741.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.