Finding the Fourth Proportional to 178,122,415.80, 266,758,470.90 and 178,122,415.80
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Solution
The fourth proportional to 178,122,415.80, 266,758,470.90 and 178,122,415.80 is: 266,758,470.90
Step by Step Solution
- Step 1: Write the proportion equation
178,122,415.80 : 266,758,470.90 = 178,122,415.80 : x - Step 2: Convert to fraction form
178,122,415.80/266,758,470.90 = 178,122,415.80/x - Step 3: Cross multiply
178,122,415.80x = 266,758,470.90 × 178,122,415.80 - Step 4: Simplify right side
178,122,415.80x = 47,515,663,271,822,008 - Step 5: Solve for x
x = 47,515,663,271,822,008/178,122,415.80 - Step 6: Final answer
x = 266,758,470.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.