Finding the Fourth Proportional to 246,570,664.80, 369,855,997.20 and 125,638,312.80
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Solution
The fourth proportional to 246,570,664.80, 369,855,997.20 and 125,638,312.80 is: 188,457,469.20
Step by Step Solution
- Step 1: Write the proportion equation
246,570,664.80 : 369,855,997.20 = 125,638,312.80 : x - Step 2: Convert to fraction form
246,570,664.80/369,855,997.20 = 125,638,312.80/x - Step 3: Cross multiply
246,570,664.80x = 369,855,997.20 × 125,638,312.80 - Step 4: Simplify right side
246,570,664.80x = 46,468,083,467,169,520 - Step 5: Solve for x
x = 46,468,083,467,169,520/246,570,664.80 - Step 6: Final answer
x = 188,457,469.20
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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.