Finding the Fourth Proportional to 195,643,419.60, 293,465,129.40 and 192,620,110.80
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Solution
The fourth proportional to 195,643,419.60, 293,465,129.40 and 192,620,110.80 is: 288,930,166.20
Step by Step Solution
- Step 1: Write the proportion equation
195,643,419.60 : 293,465,129.40 = 192,620,110.80 : x - Step 2: Convert to fraction form
195,643,419.60/293,465,129.40 = 192,620,110.80/x - Step 3: Cross multiply
195,643,419.60x = 293,465,129.40 × 192,620,110.80 - Step 4: Simplify right side
195,643,419.60x = 56,527,285,740,964,336 - Step 5: Solve for x
x = 56,527,285,740,964,336/195,643,419.60 - Step 6: Final answer
x = 288,930,166.20
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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.