Finding the Fourth Proportional to 121,379,657.70, 182,069,486.55 and 121,379,657.70
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Solution
The fourth proportional to 121,379,657.70, 182,069,486.55 and 121,379,657.70 is: 182,069,486.55
Step by Step Solution
- Step 1: Write the proportion equation
121,379,657.70 : 182,069,486.55 = 121,379,657.70 : x - Step 2: Convert to fraction form
121,379,657.70/182,069,486.55 = 121,379,657.70/x - Step 3: Cross multiply
121,379,657.70x = 182,069,486.55 × 121,379,657.70 - Step 4: Simplify right side
121,379,657.70x = 22,099,531,955,053,756 - Step 5: Solve for x
x = 22,099,531,955,053,756/121,379,657.70 - Step 6: Final answer
x = 182,069,486.55
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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.