Finding the Fourth Proportional to 250,990,197.44, 346,374,883.75 and 139,485,737.92
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Solution
The fourth proportional to 250,990,197.44, 346,374,883.75 and 139,485,737.92 is: 192,494,992.83
Step by Step Solution
- Step 1: Write the proportion equation
250,990,197.44 : 346,374,883.75 = 139,485,737.92 : x - Step 2: Convert to fraction form
250,990,197.44/346,374,883.75 = 139,485,737.92/x - Step 3: Cross multiply
250,990,197.44x = 346,374,883.75 × 139,485,737.92 - Step 4: Simplify right side
250,990,197.44x = 48,314,356,256,822,960 - Step 5: Solve for x
x = 48,314,356,256,822,960/250,990,197.44 - Step 6: Final answer
x = 192,494,992.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.