Finding the Fourth Proportional to 250,990,194.93, 346,374,880.29 and 139,485,735.42
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Solution
The fourth proportional to 250,990,194.93, 346,374,880.29 and 139,485,735.42 is: 192,494,989.38
Step by Step Solution
- Step 1: Write the proportion equation
250,990,194.93 : 346,374,880.29 = 139,485,735.42 : x - Step 2: Convert to fraction form
250,990,194.93/346,374,880.29 = 139,485,735.42/x - Step 3: Cross multiply
250,990,194.93x = 346,374,880.29 × 139,485,735.42 - Step 4: Simplify right side
250,990,194.93x = 48,314,354,908,265,112 - Step 5: Solve for x
x = 48,314,354,908,265,112/250,990,194.93 - Step 6: Final answer
x = 192,494,989.38
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1.5x scale
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.