Finding the Fourth Proportional to 129,344,728.60, 193,733,657.70 and 114,984,011.80
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Solution
The fourth proportional to 129,344,728.60, 193,733,657.70 and 114,984,011.80 is: 172,224,051.37
Step by Step Solution
- Step 1: Write the proportion equation
129,344,728.60 : 193,733,657.70 = 114,984,011.80 : x - Step 2: Convert to fraction form
129,344,728.60/193,733,657.70 = 114,984,011.80/x - Step 3: Cross multiply
129,344,728.60x = 193,733,657.70 × 114,984,011.80 - Step 4: Simplify right side
129,344,728.60x = 22,276,273,183,033,960 - Step 5: Solve for x
x = 22,276,273,183,033,960/129,344,728.60 - Step 6: Final answer
x = 172,224,051.37
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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.