Finding the Fourth Proportional to 175,104,425.60, 262,656,638.40 and 106,128,195.20
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Solution
The fourth proportional to 175,104,425.60, 262,656,638.40 and 106,128,195.20 is: 159,192,292.80
Step by Step Solution
- Step 1: Write the proportion equation
175,104,425.60 : 262,656,638.40 = 106,128,195.20 : x - Step 2: Convert to fraction form
175,104,425.60/262,656,638.40 = 106,128,195.20/x - Step 3: Cross multiply
175,104,425.60x = 262,656,638.40 × 106,128,195.20 - Step 4: Simplify right side
175,104,425.60x = 27,875,274,990,691,016 - Step 5: Solve for x
x = 27,875,274,990,691,016/175,104,425.60 - Step 6: Final answer
x = 159,192,292.80
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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.