Finding the Fourth Proportional to 323,801,796.24, 485,736,714.36 and 105,469,153.92
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Solution
The fourth proportional to 323,801,796.24, 485,736,714.36 and 105,469,153.92 is: 158,214,811.92
Step by Step Solution
- Step 1: Write the proportion equation
323,801,796.24 : 485,736,714.36 = 105,469,153.92 : x - Step 2: Convert to fraction form
323,801,796.24/485,736,714.36 = 105,469,153.92/x - Step 3: Cross multiply
323,801,796.24x = 485,736,714.36 × 105,469,153.92 - Step 4: Simplify right side
323,801,796.24x = 51,230,240,291,429,920 - Step 5: Solve for x
x = 51,230,240,291,429,920/323,801,796.24 - Step 6: Final answer
x = 158,214,811.92
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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.