Finding the Fourth Proportional to 129,344,724.60, 193,733,651.70 and 114,984,007.80
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Solution
The fourth proportional to 129,344,724.60, 193,733,651.70 and 114,984,007.80 is: 172,224,045.37
Step by Step Solution
- Step 1: Write the proportion equation
129,344,724.60 : 193,733,651.70 = 114,984,007.80 : x - Step 2: Convert to fraction form
129,344,724.60/193,733,651.70 = 114,984,007.80/x - Step 3: Cross multiply
129,344,724.60x = 193,733,651.70 × 114,984,007.80 - Step 4: Simplify right side
129,344,724.60x = 22,276,271,718,195,280 - Step 5: Solve for x
x = 22,276,271,718,195,280/129,344,724.60 - Step 6: Final answer
x = 172,224,045.37
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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.