Finding the Fourth Proportional to 121,541,850.41, 167,727,748.75 and 66,537,706.91
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Solution
The fourth proportional to 121,541,850.41, 167,727,748.75 and 66,537,706.91 is: 91,822,032.89
Step by Step Solution
- Step 1: Write the proportion equation
121,541,850.41 : 167,727,748.75 = 66,537,706.91 : x - Step 2: Convert to fraction form
121,541,850.41/167,727,748.75 = 66,537,706.91/x - Step 3: Cross multiply
121,541,850.41x = 167,727,748.75 × 66,537,706.91 - Step 4: Simplify right side
121,541,850.41x = 11,160,219,785,996,636 - Step 5: Solve for x
x = 11,160,219,785,996,636/121,541,850.41 - Step 6: Final answer
x = 91,822,032.89
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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.