Finding the Fourth Proportional to 195,081,971.54, 292,623,935.18 and 49,515,576.21
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Solution
The fourth proportional to 195,081,971.54, 292,623,935.18 and 49,515,576.21 is: 74,273,612.52
Step by Step Solution
- Step 1: Write the proportion equation
195,081,971.54 : 292,623,935.18 = 49,515,576.21 : x - Step 2: Convert to fraction form
195,081,971.54/292,623,935.18 = 49,515,576.21/x - Step 3: Cross multiply
195,081,971.54x = 292,623,935.18 × 49,515,576.21 - Step 4: Simplify right side
195,081,971.54x = 14,489,442,763,027,814 - Step 5: Solve for x
x = 14,489,442,763,027,814/195,081,971.54 - Step 6: Final answer
x = 74,273,612.52
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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.