Finding the Fourth Proportional to 309,275,771.16, 426,802,251.48 and 182,121,997.08
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Solution
The fourth proportional to 309,275,771.16, 426,802,251.48 and 182,121,997.08 is: 251,329,349.55
Step by Step Solution
- Step 1: Write the proportion equation
309,275,771.16 : 426,802,251.48 = 182,121,997.08 : x - Step 2: Convert to fraction form
309,275,771.16/426,802,251.48 = 182,121,997.08/x - Step 3: Cross multiply
309,275,771.16x = 426,802,251.48 × 182,121,997.08 - Step 4: Simplify right side
309,275,771.16x = 77,730,078,397,778,000 - Step 5: Solve for x
x = 77,730,078,397,778,000/309,275,771.16 - Step 6: Final answer
x = 251,329,349.55
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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.