Finding the Fourth Proportional to 129,080,092.44, 178,125,344.52 and 70,341,505.62
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Solution
The fourth proportional to 129,080,092.44, 178,125,344.52 and 70,341,505.62 is: 97,068,453.28
Step by Step Solution
- Step 1: Write the proportion equation
129,080,092.44 : 178,125,344.52 = 70,341,505.62 : x - Step 2: Convert to fraction form
129,080,092.44/178,125,344.52 = 70,341,505.62/x - Step 3: Cross multiply
129,080,092.44x = 178,125,344.52 × 70,341,505.62 - Step 4: Simplify right side
129,080,092.44x = 12,529,604,922,618,018 - Step 5: Solve for x
x = 12,529,604,922,618,018/129,080,092.44 - Step 6: Final answer
x = 97,068,453.28
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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.