Finding the Fourth Proportional to 51,708,042.09, 71,353,531.13 and 29,079,798.21
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Solution
The fourth proportional to 51,708,042.09, 71,353,531.13 and 29,079,798.21 is: 40,128,115.53
Step by Step Solution
- Step 1: Write the proportion equation
51,708,042.09 : 71,353,531.13 = 29,079,798.21 : x - Step 2: Convert to fraction form
51,708,042.09/71,353,531.13 = 29,079,798.21/x - Step 3: Cross multiply
51,708,042.09x = 71,353,531.13 × 29,079,798.21 - Step 4: Simplify right side
51,708,042.09x = 2,074,946,286,685,954.25 - Step 5: Solve for x
x = 2,074,946,286,685,954.25/51,708,042.09 - Step 6: Final answer
x = 40,128,115.53
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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.