Finding the Fourth Proportional to 68,071,187.21, 93,938,837.87 and 37,131,494.09
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Solution
The fourth proportional to 68,071,187.21, 93,938,837.87 and 37,131,494.09 is: 51,241,788.87
Step by Step Solution
- Step 1: Write the proportion equation
68,071,187.21 : 93,938,837.87 = 37,131,494.09 : x - Step 2: Convert to fraction form
68,071,187.21/93,938,837.87 = 37,131,494.09/x - Step 3: Cross multiply
68,071,187.21x = 93,938,837.87 × 37,131,494.09 - Step 4: Simplify right side
68,071,187.21x = 3,488,089,402,814,508 - Step 5: Solve for x
x = 3,488,089,402,814,508/68,071,187.21 - Step 6: Final answer
x = 51,241,788.87
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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.