Finding the Fourth Proportional to 250,990,049.12, 346,374,678.87 and 139,485,589.58
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Solution
The fourth proportional to 250,990,049.12, 346,374,678.87 and 139,485,589.58 is: 192,494,788.02
Step by Step Solution
- Step 1: Write the proportion equation
250,990,049.12 : 346,374,678.87 = 139,485,589.58 : x - Step 2: Convert to fraction form
250,990,049.12/346,374,678.87 = 139,485,589.58/x - Step 3: Cross multiply
250,990,049.12x = 346,374,678.87 × 139,485,589.58 - Step 4: Simplify right side
250,990,049.12x = 48,314,276,298,631,056 - Step 5: Solve for x
x = 48,314,276,298,631,056/250,990,049.12 - Step 6: Final answer
x = 192,494,788.02
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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.