Finding the Fourth Proportional to 178,318,794.98, 246,081,969.16 and 98,935,321.70
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Solution
The fourth proportional to 178,318,794.98, 246,081,969.16 and 98,935,321.70 is: 136,531,871.39
Step by Step Solution
- Step 1: Write the proportion equation
178,318,794.98 : 246,081,969.16 = 98,935,321.70 : x - Step 2: Convert to fraction form
178,318,794.98/246,081,969.16 = 98,935,321.70/x - Step 3: Cross multiply
178,318,794.98x = 246,081,969.16 × 98,935,321.70 - Step 4: Simplify right side
178,318,794.98x = 24,346,198,783,414,080 - Step 5: Solve for x
x = 24,346,198,783,414,080/178,318,794.98 - Step 6: Final answer
x = 136,531,871.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.