Finding the Fourth Proportional to 146,709,104.40, 220,063,656.60 and 135,623,638.80
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Solution
The fourth proportional to 146,709,104.40, 220,063,656.60 and 135,623,638.80 is: 203,435,458.20
Step by Step Solution
- Step 1: Write the proportion equation
146,709,104.40 : 220,063,656.60 = 135,623,638.80 : x - Step 2: Convert to fraction form
146,709,104.40/220,063,656.60 = 135,623,638.80/x - Step 3: Cross multiply
146,709,104.40x = 220,063,656.60 × 135,623,638.80 - Step 4: Simplify right side
146,709,104.40x = 29,845,833,875,725,636 - Step 5: Solve for x
x = 29,845,833,875,725,636/146,709,104.40 - Step 6: Final answer
x = 203,435,458.20
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1.5x scale
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.