Finding the Fourth Proportional to 250,252,541.70, 375,378,812.55 and 142,757,117.70
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Solution
The fourth proportional to 250,252,541.70, 375,378,812.55 and 142,757,117.70 is: 214,135,676.55
Step by Step Solution
- Step 1: Write the proportion equation
250,252,541.70 : 375,378,812.55 = 142,757,117.70 : x - Step 2: Convert to fraction form
250,252,541.70/375,378,812.55 = 142,757,117.70/x - Step 3: Cross multiply
250,252,541.70x = 375,378,812.55 × 142,757,117.70 - Step 4: Simplify right side
250,252,541.70x = 53,587,997,325,286,584 - Step 5: Solve for x
x = 53,587,997,325,286,584/250,252,541.70 - Step 6: Final answer
x = 214,135,676.55
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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.