Finding the Fourth Proportional to 292,230,563.18, 403,165,926.57 and 166,789,721.62
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Solution
The fourth proportional to 292,230,563.18, 403,165,926.57 and 166,789,721.62 is: 230,105,749.12
Step by Step Solution
- Step 1: Write the proportion equation
292,230,563.18 : 403,165,926.57 = 166,789,721.62 : x - Step 2: Convert to fraction form
292,230,563.18/403,165,926.57 = 166,789,721.62/x - Step 3: Cross multiply
292,230,563.18x = 403,165,926.57 × 166,789,721.62 - Step 4: Simplify right side
292,230,563.18x = 67,243,932,658,271,752 - Step 5: Solve for x
x = 67,243,932,658,271,752/292,230,563.18 - Step 6: Final answer
x = 230,105,749.12
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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.