Finding the Fourth Proportional to 194,747,678.48, 291,867,164.12 and 148,520,283.12
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Solution
The fourth proportional to 194,747,678.48, 291,867,164.12 and 148,520,283.12 is: 222,586,447.18
Step by Step Solution
- Step 1: Write the proportion equation
194,747,678.48 : 291,867,164.12 = 148,520,283.12 : x - Step 2: Convert to fraction form
194,747,678.48/291,867,164.12 = 148,520,283.12/x - Step 3: Cross multiply
194,747,678.48x = 291,867,164.12 × 148,520,283.12 - Step 4: Simplify right side
194,747,678.48x = 43,348,193,848,533,904 - Step 5: Solve for x
x = 43,348,193,848,533,904/194,747,678.48 - Step 6: Final answer
x = 222,586,447.18
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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.