Finding the Fourth Proportional to 250,990,507.20, 346,375,310.76 and 139,486,048.14
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Solution
The fourth proportional to 250,990,507.20, 346,375,310.76 and 139,486,048.14 is: 192,495,420.68
Step by Step Solution
- Step 1: Write the proportion equation
250,990,507.20 : 346,375,310.76 = 139,486,048.14 : x - Step 2: Convert to fraction form
250,990,507.20/346,375,310.76 = 139,486,048.14/x - Step 3: Cross multiply
250,990,507.20x = 346,375,310.76 × 139,486,048.14 - Step 4: Simplify right side
250,990,507.20x = 48,314,523,271,176,816 - Step 5: Solve for x
x = 48,314,523,271,176,816/250,990,507.20 - Step 6: Final answer
x = 192,495,420.68
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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.