Finding the Fourth Proportional to 51,985,300.35, 71,739,731.97 and 28,465,324.68
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Solution
The fourth proportional to 51,985,300.35, 71,739,731.97 and 28,465,324.68 is: 39,282,157.63
Step by Step Solution
- Step 1: Write the proportion equation
51,985,300.35 : 71,739,731.97 = 28,465,324.68 : x - Step 2: Convert to fraction form
51,985,300.35/71,739,731.97 = 28,465,324.68/x - Step 3: Cross multiply
51,985,300.35x = 71,739,731.97 × 28,465,324.68 - Step 4: Simplify right side
51,985,300.35x = 2,042,094,762,982,226 - Step 5: Solve for x
x = 2,042,094,762,982,226/51,985,300.35 - Step 6: Final answer
x = 39,282,157.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.