Finding the Fourth Proportional to 323,497,221.20, 485,245,831.80 and 201,053,214.80
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Solution
The fourth proportional to 323,497,221.20, 485,245,831.80 and 201,053,214.80 is: 301,579,822.20
Step by Step Solution
- Step 1: Write the proportion equation
323,497,221.20 : 485,245,831.80 = 201,053,214.80 : x - Step 2: Convert to fraction form
323,497,221.20/485,245,831.80 = 201,053,214.80/x - Step 3: Cross multiply
323,497,221.20x = 485,245,831.80 × 201,053,214.80 - Step 4: Simplify right side
323,497,221.20x = 97,560,234,451,690,080 - Step 5: Solve for x
x = 97,560,234,451,690,080/323,497,221.20 - Step 6: Final answer
x = 301,579,822.20
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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.