Finding the Fourth Proportional to 250,479,632.70, 375,719,449.05 and 121,149,200.70
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Solution
The fourth proportional to 250,479,632.70, 375,719,449.05 and 121,149,200.70 is: 181,723,801.05
Step by Step Solution
- Step 1: Write the proportion equation
250,479,632.70 : 375,719,449.05 = 121,149,200.70 : x - Step 2: Convert to fraction form
250,479,632.70/375,719,449.05 = 121,149,200.70/x - Step 3: Cross multiply
250,479,632.70x = 375,719,449.05 × 121,149,200.70 - Step 4: Simplify right side
250,479,632.70x = 45,518,110,939,851,880 - Step 5: Solve for x
x = 45,518,110,939,851,880/250,479,632.70 - Step 6: Final answer
x = 181,723,801.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.