Finding the Fourth Proportional to 68,836,892.07, 94,991,494.09 and 37,896,397.05
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Solution
The fourth proportional to 68,836,892.07, 94,991,494.09 and 37,896,397.05 is: 52,295,146.81
Step by Step Solution
- Step 1: Write the proportion equation
68,836,892.07 : 94,991,494.09 = 37,896,397.05 : x - Step 2: Convert to fraction form
68,836,892.07/94,991,494.09 = 37,896,397.05/x - Step 3: Cross multiply
68,836,892.07x = 94,991,494.09 × 37,896,397.05 - Step 4: Simplify right side
68,836,892.07x = 3,599,835,376,407,368.50 - Step 5: Solve for x
x = 3,599,835,376,407,368.50/68,836,892.07 - Step 6: Final answer
x = 52,295,146.81
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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.