Finding the Fourth Proportional to 68,350,930.13, 94,324,571.04 and 36,988,980.59
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Solution
The fourth proportional to 68,350,930.13, 94,324,571.04 and 36,988,980.59 is: 51,044,948.77
Step by Step Solution
- Step 1: Write the proportion equation
68,350,930.13 : 94,324,571.04 = 36,988,980.59 : x - Step 2: Convert to fraction form
68,350,930.13/94,324,571.04 = 36,988,980.59/x - Step 3: Cross multiply
68,350,930.13x = 94,324,571.04 × 36,988,980.59 - Step 4: Simplify right side
68,350,930.13x = 3,488,969,727,112,740 - Step 5: Solve for x
x = 3,488,969,727,112,740/68,350,930.13 - Step 6: Final answer
x = 51,044,948.77
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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.