Finding the Fourth Proportional to 84,788,466.71, 117,033,457.88 and 49,515,786.44
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Solution
The fourth proportional to 84,788,466.71, 117,033,457.88 and 49,515,786.44 is: 68,346,603.39
Step by Step Solution
- Step 1: Write the proportion equation
84,788,466.71 : 117,033,457.88 = 49,515,786.44 : x - Step 2: Convert to fraction form
84,788,466.71/117,033,457.88 = 49,515,786.44/x - Step 3: Cross multiply
84,788,466.71x = 117,033,457.88 × 49,515,786.44 - Step 4: Simplify right side
84,788,466.71x = 5,795,003,706,765,820 - Step 5: Solve for x
x = 5,795,003,706,765,820/84,788,466.71 - Step 6: Final answer
x = 68,346,603.39
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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.