Finding the Fourth Proportional to 393,940,408.36, 590,922,650.76 and 135,151,998.52
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Solution
The fourth proportional to 393,940,408.36, 590,922,650.76 and 135,151,998.52 is: 202,732,127.82
Step by Step Solution
- Step 1: Write the proportion equation
393,940,408.36 : 590,922,650.76 = 135,151,998.52 : x - Step 2: Convert to fraction form
393,940,408.36/590,922,650.76 = 135,151,998.52/x - Step 3: Cross multiply
393,940,408.36x = 590,922,650.76 × 135,151,998.52 - Step 4: Simplify right side
393,940,408.36x = 79,864,377,220,950,000 - Step 5: Solve for x
x = 79,864,377,220,950,000/393,940,408.36 - Step 6: Final answer
x = 202,732,127.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.