Finding the Fourth Proportional to 144,691,975.70, 217,037,963.55 and 48,953,863.70
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Solution
The fourth proportional to 144,691,975.70, 217,037,963.55 and 48,953,863.70 is: 73,430,795.55
Step by Step Solution
- Step 1: Write the proportion equation
144,691,975.70 : 217,037,963.55 = 48,953,863.70 : x - Step 2: Convert to fraction form
144,691,975.70/217,037,963.55 = 48,953,863.70/x - Step 3: Cross multiply
144,691,975.70x = 217,037,963.55 × 48,953,863.70 - Step 4: Simplify right side
144,691,975.70x = 10,624,846,885,352,270 - Step 5: Solve for x
x = 10,624,846,885,352,270/144,691,975.70 - Step 6: Final answer
x = 73,430,795.55
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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.