Finding the Fourth Proportional to 187,596,268.20, 281,646,344.70 and 119,739,781.80
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Solution
The fourth proportional to 187,596,268.20, 281,646,344.70 and 119,739,781.80 is: 179,770,483.62
Step by Step Solution
- Step 1: Write the proportion equation
187,596,268.20 : 281,646,344.70 = 119,739,781.80 : x - Step 2: Convert to fraction form
187,596,268.20/281,646,344.70 = 119,739,781.80/x - Step 3: Cross multiply
187,596,268.20x = 281,646,344.70 × 119,739,781.80 - Step 4: Simplify right side
187,596,268.20x = 33,724,271,859,145,584 - Step 5: Solve for x
x = 33,724,271,859,145,584/187,596,268.20 - Step 6: Final answer
x = 179,770,483.62
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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.