Finding the Fourth Proportional to 178,010,115.71, 267,424,402.84 and 125,608,390.43
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Solution
The fourth proportional to 178,010,115.71, 267,424,402.84 and 125,608,390.43 is: 188,701,348.05
Step by Step Solution
- Step 1: Write the proportion equation
178,010,115.71 : 267,424,402.84 = 125,608,390.43 : x - Step 2: Convert to fraction form
178,010,115.71/267,424,402.84 = 125,608,390.43/x - Step 3: Cross multiply
178,010,115.71x = 267,424,402.84 × 125,608,390.43 - Step 4: Simplify right side
178,010,115.71x = 33,590,748,800,785,176 - Step 5: Solve for x
x = 33,590,748,800,785,176/178,010,115.71 - Step 6: Final answer
x = 188,701,348.05
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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.