Finding the Fourth Proportional to 164,481,640.80, 246,722,461.20 and 159,698,671.80
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Solution
The fourth proportional to 164,481,640.80, 246,722,461.20 and 159,698,671.80 is: 239,548,007.70
Step by Step Solution
- Step 1: Write the proportion equation
164,481,640.80 : 246,722,461.20 = 159,698,671.80 : x - Step 2: Convert to fraction form
164,481,640.80/246,722,461.20 = 159,698,671.80/x - Step 3: Cross multiply
164,481,640.80x = 246,722,461.20 × 159,698,671.80 - Step 4: Simplify right side
164,481,640.80x = 39,401,249,356,867,032 - Step 5: Solve for x
x = 39,401,249,356,867,032/164,481,640.80 - Step 6: Final answer
x = 239,548,007.70
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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.