Finding the Fourth Proportional to 283,607,998.20, 425,411,997.30 and 139,982,167.80
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Solution
The fourth proportional to 283,607,998.20, 425,411,997.30 and 139,982,167.80 is: 209,973,251.70
Step by Step Solution
- Step 1: Write the proportion equation
283,607,998.20 : 425,411,997.30 = 139,982,167.80 : x - Step 2: Convert to fraction form
283,607,998.20/425,411,997.30 = 139,982,167.80/x - Step 3: Cross multiply
283,607,998.20x = 425,411,997.30 × 139,982,167.80 - Step 4: Simplify right side
283,607,998.20x = 59,550,093,590,181,752 - Step 5: Solve for x
x = 59,550,093,590,181,752/283,607,998.20 - Step 6: Final answer
x = 209,973,251.70
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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.