Finding the Fourth Proportional to 84,322,148.18, 116,105,880.63 and 73,809,331.82
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Solution
The fourth proportional to 84,322,148.18, 116,105,880.63 and 73,809,331.82 is: 101,630,445.33
Step by Step Solution
- Step 1: Write the proportion equation
84,322,148.18 : 116,105,880.63 = 73,809,331.82 : x - Step 2: Convert to fraction form
84,322,148.18/116,105,880.63 = 73,809,331.82/x - Step 3: Cross multiply
84,322,148.18x = 116,105,880.63 × 73,809,331.82 - Step 4: Simplify right side
84,322,148.18x = 8,569,697,469,804,633 - Step 5: Solve for x
x = 8,569,697,469,804,633/84,322,148.18 - Step 6: Final answer
x = 101,630,445.33
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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.