Finding the Fourth Proportional to 67,428,837.36, 93,051,795.67 and 36,489,006.63
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Solution
The fourth proportional to 67,428,837.36, 93,051,795.67 and 36,489,006.63 is: 50,354,829.21
Step by Step Solution
- Step 1: Write the proportion equation
67,428,837.36 : 93,051,795.67 = 36,489,006.63 : x - Step 2: Convert to fraction form
67,428,837.36/93,051,795.67 = 36,489,006.63/x - Step 3: Cross multiply
67,428,837.36x = 93,051,795.67 × 36,489,006.63 - Step 4: Simplify right side
67,428,837.36x = 3,395,367,589,044,813 - Step 5: Solve for x
x = 3,395,367,589,044,813/67,428,837.36 - Step 6: Final answer
x = 50,354,829.21
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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.