Finding the Fourth Proportional to 49,259,516.99, 67,975,211.85 and 27,231,702.76
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Solution
The fourth proportional to 49,259,516.99, 67,975,211.85 and 27,231,702.76 is: 37,578,134.69
Step by Step Solution
- Step 1: Write the proportion equation
49,259,516.99 : 67,975,211.85 = 27,231,702.76 : x - Step 2: Convert to fraction form
49,259,516.99/67,975,211.85 = 27,231,702.76/x - Step 3: Cross multiply
49,259,516.99x = 67,975,211.85 × 27,231,702.76 - Step 4: Simplify right side
49,259,516.99x = 1,851,080,764,130,079.75 - Step 5: Solve for x
x = 1,851,080,764,130,079.75/49,259,516.99 - Step 6: Final answer
x = 37,578,134.69
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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.