Finding the Fourth Proportional to 293,214,905.70, 439,822,358.55 and 120,634,361.70
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Solution
The fourth proportional to 293,214,905.70, 439,822,358.55 and 120,634,361.70 is: 180,951,542.55
Step by Step Solution
- Step 1: Write the proportion equation
293,214,905.70 : 439,822,358.55 = 120,634,361.70 : x - Step 2: Convert to fraction form
293,214,905.70/439,822,358.55 = 120,634,361.70/x - Step 3: Cross multiply
293,214,905.70x = 439,822,358.55 × 120,634,361.70 - Step 4: Simplify right side
293,214,905.70x = 53,057,689,485,067,792 - Step 5: Solve for x
x = 53,057,689,485,067,792/293,214,905.70 - Step 6: Final answer
x = 180,951,542.55
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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.