Finding the Fourth Proportional to 136,211,748.12, 204,389,366.76 and 78,744,379.23
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Solution
The fourth proportional to 136,211,748.12, 204,389,366.76 and 78,744,379.23 is: 118,158,044.58
Step by Step Solution
- Step 1: Write the proportion equation
136,211,748.12 : 204,389,366.76 = 78,744,379.23 : x - Step 2: Convert to fraction form
136,211,748.12/204,389,366.76 = 78,744,379.23/x - Step 3: Cross multiply
136,211,748.12x = 204,389,366.76 × 78,744,379.23 - Step 4: Simplify right side
136,211,748.12x = 16,094,513,806,728,996 - Step 5: Solve for x
x = 16,094,513,806,728,996/136,211,748.12 - Step 6: Final answer
x = 118,158,044.58
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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.