Finding the Fourth Proportional to 185,139,458.36, 277,755,423.42 and 130,658,450.66
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Solution
The fourth proportional to 185,139,458.36, 277,755,423.42 and 130,658,450.66 is: 196,020,306.03
Step by Step Solution
- Step 1: Write the proportion equation
185,139,458.36 : 277,755,423.42 = 130,658,450.66 : x - Step 2: Convert to fraction form
185,139,458.36/277,755,423.42 = 130,658,450.66/x - Step 3: Cross multiply
185,139,458.36x = 277,755,423.42 × 130,658,450.66 - Step 4: Simplify right side
185,139,458.36x = 36,291,093,286,469,480 - Step 5: Solve for x
x = 36,291,093,286,469,480/185,139,458.36 - Step 6: Final answer
x = 196,020,306.03
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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.