Finding the Fourth Proportional to 283,608,043.20, 425,412,064.80 and 139,982,212.80
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Solution
The fourth proportional to 283,608,043.20, 425,412,064.80 and 139,982,212.80 is: 209,973,319.20
Step by Step Solution
- Step 1: Write the proportion equation
283,608,043.20 : 425,412,064.80 = 139,982,212.80 : x - Step 2: Convert to fraction form
283,608,043.20/425,412,064.80 = 139,982,212.80/x - Step 3: Cross multiply
283,608,043.20x = 425,412,064.80 × 139,982,212.80 - Step 4: Simplify right side
283,608,043.20x = 59,550,122,182,521,000 - Step 5: Solve for x
x = 59,550,122,182,521,000/283,608,043.20 - Step 6: Final answer
x = 209,973,319.20
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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.