Finding the Fourth Proportional to 189,129,968.70, 283,694,953.05 and 124,506,743.10
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Solution
The fourth proportional to 189,129,968.70, 283,694,953.05 and 124,506,743.10 is: 186,760,114.65
Step by Step Solution
- Step 1: Write the proportion equation
189,129,968.70 : 283,694,953.05 = 124,506,743.10 : x - Step 2: Convert to fraction form
189,129,968.70/283,694,953.05 = 124,506,743.10/x - Step 3: Cross multiply
189,129,968.70x = 283,694,953.05 × 124,506,743.10 - Step 4: Simplify right side
189,129,968.70x = 35,321,934,638,162,912 - Step 5: Solve for x
x = 35,321,934,638,162,912/189,129,968.70 - Step 6: Final answer
x = 186,760,114.65
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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.