Finding the Fourth Proportional to 234,805,512.60, 352,208,268.90 and 148,641,211.80
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Solution
The fourth proportional to 234,805,512.60, 352,208,268.90 and 148,641,211.80 is: 222,961,817.70
Step by Step Solution
- Step 1: Write the proportion equation
234,805,512.60 : 352,208,268.90 = 148,641,211.80 : x - Step 2: Convert to fraction form
234,805,512.60/352,208,268.90 = 148,641,211.80/x - Step 3: Cross multiply
234,805,512.60x = 352,208,268.90 × 148,641,211.80 - Step 4: Simplify right side
234,805,512.60x = 52,352,663,895,276,256 - Step 5: Solve for x
x = 52,352,663,895,276,256/234,805,512.60 - Step 6: Final answer
x = 222,961,817.70
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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.